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Finding the Fourth Proportional to 678,577.26, 936,551.79 and 392,263.32

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Solution

The fourth proportional to 678,577.26, 936,551.79 and 392,263.32 is: 541,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,577.26 : 936,551.79 = 392,263.32 : x
  2. Step 2: Convert to fraction form
    678,577.26/936,551.79 = 392,263.32/x
  3. Step 3: Cross multiply
    678,577.26x = 936,551.79 × 392,263.32
  4. Step 4: Simplify right side
    678,577.26x = 367,374,914,497.34
  5. Step 5: Solve for x
    x = 367,374,914,497.34/678,577.26
  6. Step 6: Final answer
    x = 541,389.96

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