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Finding the Fourth Proportional to 86,017.98, 118,699.05 and 47,774.40

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Solution

The fourth proportional to 86,017.98, 118,699.05 and 47,774.40 is: 65,925.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,017.98 : 118,699.05 = 47,774.40 : x
  2. Step 2: Convert to fraction form
    86,017.98/118,699.05 = 47,774.40/x
  3. Step 3: Cross multiply
    86,017.98x = 118,699.05 × 47,774.40
  4. Step 4: Simplify right side
    86,017.98x = 5,670,775,894.32
  5. Step 5: Solve for x
    x = 5,670,775,894.32/86,017.98
  6. Step 6: Final answer
    x = 65,925.47

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