Finding the Fourth Proportional to 94,132.78, 129,916.83 and 56,410.54

Step by Step Solution

1. Step 1: Write the proportion equation
   94,132.78 : 129,916.83 = 56,410.54 : x
2. Step 2: Convert to fraction form
   94,132.78/129,916.83 = 56,410.54/x
3. Step 3: Cross multiply
   94,132.78x = 129,916.83 × 56,410.54
4. Step 4: Simplify right side
   94,132.78x = 7,328,678,535.39
5. Step 5: Solve for x
   x = 7,328,678,535.39/94,132.78
6. Step 6: Final answer
   x = 77,854.69