Finding the Fourth Proportional to 94,200.50, 129,939 and 55,934.06

Step by Step Solution

1. Step 1: Write the proportion equation
   94,200.50 : 129,939 = 55,934.06 : x
2. Step 2: Convert to fraction form
   94,200.50/129,939 = 55,934.06/x
3. Step 3: Cross multiply
   94,200.50x = 129,939 × 55,934.06
4. Step 4: Simplify right side
   94,200.50x = 7,268,015,822.34
5. Step 5: Solve for x
   x = 7,268,015,822.34/94,200.50
6. Step 6: Final answer
   x = 77,154.75