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Finding the Fourth Proportional to 115,620.48, 173,358.72 and 53,210.88

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Solution

The fourth proportional to 115,620.48, 173,358.72 and 53,210.88 is: 79,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,620.48 : 173,358.72 = 53,210.88 : x
  2. Step 2: Convert to fraction form
    115,620.48/173,358.72 = 53,210.88/x
  3. Step 3: Cross multiply
    115,620.48x = 173,358.72 × 53,210.88
  4. Step 4: Simplify right side
    115,620.48x = 9,224,570,046.87
  5. Step 5: Solve for x
    x = 9,224,570,046.87/115,620.48
  6. Step 6: Final answer
    x = 79,783.18

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