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Finding the Fourth Proportional to 75,862.83, 104,690.64 and 42,328.83

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Solution

The fourth proportional to 75,862.83, 104,690.64 and 42,328.83 is: 58,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,862.83 : 104,690.64 = 42,328.83 : x
  2. Step 2: Convert to fraction form
    75,862.83/104,690.64 = 42,328.83/x
  3. Step 3: Cross multiply
    75,862.83x = 104,690.64 × 42,328.83
  4. Step 4: Simplify right side
    75,862.83x = 4,431,432,303.15
  5. Step 5: Solve for x
    x = 4,431,432,303.15/75,862.83
  6. Step 6: Final answer
    x = 58,413.75

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