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Finding the Fourth Proportional to 287,361.80, 396,607.54 and 166,578.64

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Solution

The fourth proportional to 287,361.80, 396,607.54 and 166,578.64 is: 229,906.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,361.80 : 396,607.54 = 166,578.64 : x
  2. Step 2: Convert to fraction form
    287,361.80/396,607.54 = 166,578.64/x
  3. Step 3: Cross multiply
    287,361.80x = 396,607.54 × 166,578.64
  4. Step 4: Simplify right side
    287,361.80x = 66,066,344,626.95
  5. Step 5: Solve for x
    x = 66,066,344,626.95/287,361.80
  6. Step 6: Final answer
    x = 229,906.50

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