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Finding the Fourth Proportional to 65,173.70, 97,879.35 and 57,008.90

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Solution

The fourth proportional to 65,173.70, 97,879.35 and 57,008.90 is: 85,617.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,173.70 : 97,879.35 = 57,008.90 : x
  2. Step 2: Convert to fraction form
    65,173.70/97,879.35 = 57,008.90/x
  3. Step 3: Cross multiply
    65,173.70x = 97,879.35 × 57,008.90
  4. Step 4: Simplify right side
    65,173.70x = 5,579,994,076.22
  5. Step 5: Solve for x
    x = 5,579,994,076.22/65,173.70
  6. Step 6: Final answer
    x = 85,617.27

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