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Finding the Fourth Proportional to 26,413.56, 39,629.16 and 8,645.04

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Solution

The fourth proportional to 26,413.56, 39,629.16 and 8,645.04 is: 12,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,413.56 : 39,629.16 = 8,645.04 : x
  2. Step 2: Convert to fraction form
    26,413.56/39,629.16 = 8,645.04/x
  3. Step 3: Cross multiply
    26,413.56x = 39,629.16 × 8,645.04
  4. Step 4: Simplify right side
    26,413.56x = 342,595,673.37
  5. Step 5: Solve for x
    x = 342,595,673.37/26,413.56
  6. Step 6: Final answer
    x = 12,970.45

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