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Finding the Fourth Proportional to 105,928.73, 158,745.47 and 79,602.72

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Solution

The fourth proportional to 105,928.73, 158,745.47 and 79,602.72 is: 119,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,928.73 : 158,745.47 = 79,602.72 : x
  2. Step 2: Convert to fraction form
    105,928.73/158,745.47 = 79,602.72/x
  3. Step 3: Cross multiply
    105,928.73x = 158,745.47 × 79,602.72
  4. Step 4: Simplify right side
    105,928.73x = 12,636,570,801.66
  5. Step 5: Solve for x
    x = 12,636,570,801.66/105,928.73
  6. Step 6: Final answer
    x = 119,293.15

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