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Finding the Fourth Proportional to 228,567.17, 342,873.30 and 78,787.74

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Solution

The fourth proportional to 228,567.17, 342,873.30 and 78,787.74 is: 118,189.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,567.17 : 342,873.30 = 78,787.74 : x
  2. Step 2: Convert to fraction form
    228,567.17/342,873.30 = 78,787.74/x
  3. Step 3: Cross multiply
    228,567.17x = 342,873.30 × 78,787.74
  4. Step 4: Simplify right side
    228,567.17x = 27,014,212,065.91
  5. Step 5: Solve for x
    x = 27,014,212,065.91/228,567.17
  6. Step 6: Final answer
    x = 118,189.38

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