Finding the Fourth Proportional to 52,288.31, 72,155.93 and 28,414.46

Step by Step Solution

1. Step 1: Write the proportion equation
   52,288.31 : 72,155.93 = 28,414.46 : x
2. Step 2: Convert to fraction form
   52,288.31/72,155.93 = 28,414.46/x
3. Step 3: Cross multiply
   52,288.31x = 72,155.93 × 28,414.46
4. Step 4: Simplify right side
   52,288.31x = 2,050,271,283.90
5. Step 5: Solve for x
   x = 2,050,271,283.90/52,288.31
6. Step 6: Final answer
   x = 39,210.90