Finding the Fourth Proportional to 60,908.80, 83,731.04 and 52,379.68

Step by Step Solution

1. Step 1: Write the proportion equation
   60,908.80 : 83,731.04 = 52,379.68 : x
2. Step 2: Convert to fraction form
   60,908.80/83,731.04 = 52,379.68/x
3. Step 3: Cross multiply
   60,908.80x = 83,731.04 × 52,379.68
4. Step 4: Simplify right side
   60,908.80x = 4,385,805,081.27
5. Step 5: Solve for x
   x = 4,385,805,081.27/60,908.80
6. Step 6: Final answer
   x = 72,006.10