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Finding the Fourth Proportional to 65,579.40, 98,468.10 and 52,392.60

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Solution

The fourth proportional to 65,579.40, 98,468.10 and 52,392.60 is: 78,667.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,579.40 : 98,468.10 = 52,392.60 : x
  2. Step 2: Convert to fraction form
    65,579.40/98,468.10 = 52,392.60/x
  3. Step 3: Cross multiply
    65,579.40x = 98,468.10 × 52,392.60
  4. Step 4: Simplify right side
    65,579.40x = 5,158,999,776.06
  5. Step 5: Solve for x
    x = 5,158,999,776.06/65,579.40
  6. Step 6: Final answer
    x = 78,667.99

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