Finding the Fourth Proportional to 94,150.77, 129,873.83 and 56,403.15

Step by Step Solution

1. Step 1: Write the proportion equation
   94,150.77 : 129,873.83 = 56,403.15 : x
2. Step 2: Convert to fraction form
   94,150.77/129,873.83 = 56,403.15/x
3. Step 3: Cross multiply
   94,150.77x = 129,873.83 × 56,403.15
4. Step 4: Simplify right side
   94,150.77x = 7,325,292,832.55
5. Step 5: Solve for x
   x = 7,325,292,832.55/94,150.77
6. Step 6: Final answer
   x = 77,803.85