Finding the Fourth Proportional to 52,725.69, 72,734.20 and 35,724.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,725.69 : 72,734.20 = 35,724.12 : x
2. Step 2: Convert to fraction form
   52,725.69/72,734.20 = 35,724.12/x
3. Step 3: Cross multiply
   52,725.69x = 72,734.20 × 35,724.12
4. Step 4: Simplify right side
   52,725.69x = 2,598,365,288.90
5. Step 5: Solve for x
   x = 2,598,365,288.90/52,725.69
6. Step 6: Final answer
   x = 49,280.82