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Finding the Fourth Proportional to 84,919.77, 117,186.06 and 47,196.45

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Solution

The fourth proportional to 84,919.77, 117,186.06 and 47,196.45 is: 65,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,919.77 : 117,186.06 = 47,196.45 : x
  2. Step 2: Convert to fraction form
    84,919.77/117,186.06 = 47,196.45/x
  3. Step 3: Cross multiply
    84,919.77x = 117,186.06 × 47,196.45
  4. Step 4: Simplify right side
    84,919.77x = 5,530,766,021.49
  5. Step 5: Solve for x
    x = 5,530,766,021.49/84,919.77
  6. Step 6: Final answer
    x = 65,129.31

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