Finding the Fourth Proportional to 72,307.08, 108,046.10 and 55,114.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,307.08 : 108,046.10 = 55,114.83 : x
2. Step 2: Convert to fraction form
   72,307.08/108,046.10 = 55,114.83/x
3. Step 3: Cross multiply
   72,307.08x = 108,046.10 × 55,114.83
4. Step 4: Simplify right side
   72,307.08x = 5,954,942,571.45
5. Step 5: Solve for x
   x = 5,954,942,571.45/72,307.08
6. Step 6: Final answer
   x = 82,356.29