Finding the Fourth Proportional to 102,553.61, 141,524.01 and 56,613.29

Step by Step Solution

1. Step 1: Write the proportion equation
   102,553.61 : 141,524.01 = 56,613.29 : x
2. Step 2: Convert to fraction form
   102,553.61/141,524.01 = 56,613.29/x
3. Step 3: Cross multiply
   102,553.61x = 141,524.01 × 56,613.29
4. Step 4: Simplify right side
   102,553.61x = 8,012,139,820.09
5. Step 5: Solve for x
   x = 8,012,139,820.09/102,553.61
6. Step 6: Final answer
   x = 78,126.36