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Finding the Fourth Proportional to 86,212.26, 118,972.92 and 48,486.50

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Solution

The fourth proportional to 86,212.26, 118,972.92 and 48,486.50 is: 66,911.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,212.26 : 118,972.92 = 48,486.50 : x
  2. Step 2: Convert to fraction form
    86,212.26/118,972.92 = 48,486.50/x
  3. Step 3: Cross multiply
    86,212.26x = 118,972.92 × 48,486.50
  4. Step 4: Simplify right side
    86,212.26x = 5,768,580,485.58
  5. Step 5: Solve for x
    x = 5,768,580,485.58/86,212.26
  6. Step 6: Final answer
    x = 66,911.37

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