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Finding the Fourth Proportional to 104,066.60, 143,612.28 and 56,319.94

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Solution

The fourth proportional to 104,066.60, 143,612.28 and 56,319.94 is: 77,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,066.60 : 143,612.28 = 56,319.94 : x
  2. Step 2: Convert to fraction form
    104,066.60/143,612.28 = 56,319.94/x
  3. Step 3: Cross multiply
    104,066.60x = 143,612.28 × 56,319.94
  4. Step 4: Simplify right side
    104,066.60x = 8,088,234,992.86
  5. Step 5: Solve for x
    x = 8,088,234,992.86/104,066.60
  6. Step 6: Final answer
    x = 77,721.72

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