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Finding the Fourth Proportional to 328,234.20, 492,344.10 and 91,570.20

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Solution

The fourth proportional to 328,234.20, 492,344.10 and 91,570.20 is: 137,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,234.20 : 492,344.10 = 91,570.20 : x
  2. Step 2: Convert to fraction form
    328,234.20/492,344.10 = 91,570.20/x
  3. Step 3: Cross multiply
    328,234.20x = 492,344.10 × 91,570.20
  4. Step 4: Simplify right side
    328,234.20x = 45,084,047,705.82
  5. Step 5: Solve for x
    x = 45,084,047,705.82/328,234.20
  6. Step 6: Final answer
    x = 137,353.29

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