Finding the Fourth Proportional to 56,002.28, 83,978.14 and 16,545.64

Step by Step Solution

1. Step 1: Write the proportion equation
   56,002.28 : 83,978.14 = 16,545.64 : x
2. Step 2: Convert to fraction form
   56,002.28/83,978.14 = 16,545.64/x
3. Step 3: Cross multiply
   56,002.28x = 83,978.14 × 16,545.64
4. Step 4: Simplify right side
   56,002.28x = 1,389,472,072.31
5. Step 5: Solve for x
   x = 1,389,472,072.31/56,002.28
6. Step 6: Final answer
   x = 24,810.99