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Finding the Fourth Proportional to 356,958.60, 534,401.10 and 346,590.60

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Solution

The fourth proportional to 356,958.60, 534,401.10 and 346,590.60 is: 518,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,958.60 : 534,401.10 = 346,590.60 : x
  2. Step 2: Convert to fraction form
    356,958.60/534,401.10 = 346,590.60/x
  3. Step 3: Cross multiply
    356,958.60x = 534,401.10 × 346,590.60
  4. Step 4: Simplify right side
    356,958.60x = 185,218,397,889.66
  5. Step 5: Solve for x
    x = 185,218,397,889.66/356,958.60
  6. Step 6: Final answer
    x = 518,879.21

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