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Finding the Fourth Proportional to 543,708.72, 816,061.26 and 291,274.20

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Solution

The fourth proportional to 543,708.72, 816,061.26 and 291,274.20 is: 437,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,708.72 : 816,061.26 = 291,274.20 : x
  2. Step 2: Convert to fraction form
    543,708.72/816,061.26 = 291,274.20/x
  3. Step 3: Cross multiply
    543,708.72x = 816,061.26 × 291,274.20
  4. Step 4: Simplify right side
    543,708.72x = 237,697,590,657.49
  5. Step 5: Solve for x
    x = 237,697,590,657.49/543,708.72
  6. Step 6: Final answer
    x = 437,178.18

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