Finding the Fourth Proportional to 72,592.86, 108,896.03 and 28,222.99

Step by Step Solution

1. Step 1: Write the proportion equation
   72,592.86 : 108,896.03 = 28,222.99 : x
2. Step 2: Convert to fraction form
   72,592.86/108,896.03 = 28,222.99/x
3. Step 3: Cross multiply
   72,592.86x = 108,896.03 × 28,222.99
4. Step 4: Simplify right side
   72,592.86x = 3,073,371,258.21
5. Step 5: Solve for x
   x = 3,073,371,258.21/72,592.86
6. Step 6: Final answer
   x = 42,337.10