Finding the Fourth Proportional to 72,527.52, 108,579.97 and 53,890.17

Step by Step Solution

1. Step 1: Write the proportion equation
   72,527.52 : 108,579.97 = 53,890.17 : x
2. Step 2: Convert to fraction form
   72,527.52/108,579.97 = 53,890.17/x
3. Step 3: Cross multiply
   72,527.52x = 108,579.97 × 53,890.17
4. Step 4: Simplify right side
   72,527.52x = 5,851,393,041.89
5. Step 5: Solve for x
   x = 5,851,393,041.89/72,527.52
6. Step 6: Final answer
   x = 80,678.25