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Finding the Fourth Proportional to 115,886.40, 173,848.80 and 49,358.40

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Solution

The fourth proportional to 115,886.40, 173,848.80 and 49,358.40 is: 74,045.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,886.40 : 173,848.80 = 49,358.40 : x
  2. Step 2: Convert to fraction form
    115,886.40/173,848.80 = 49,358.40/x
  3. Step 3: Cross multiply
    115,886.40x = 173,848.80 × 49,358.40
  4. Step 4: Simplify right side
    115,886.40x = 8,580,898,609.92
  5. Step 5: Solve for x
    x = 8,580,898,609.92/115,886.40
  6. Step 6: Final answer
    x = 74,045.78

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