Finding the Fourth Proportional to 52,789.46, 72,821.85 and 32,639.90

Step by Step Solution

1. Step 1: Write the proportion equation
   52,789.46 : 72,821.85 = 32,639.90 : x
2. Step 2: Convert to fraction form
   52,789.46/72,821.85 = 32,639.90/x
3. Step 3: Cross multiply
   52,789.46x = 72,821.85 × 32,639.90
4. Step 4: Simplify right side
   52,789.46x = 2,376,897,901.82
5. Step 5: Solve for x
   x = 2,376,897,901.82/52,789.46
6. Step 6: Final answer
   x = 45,025.99