Finding the Fourth Proportional to 52,597.33, 72,584.89 and 28,724.70

Step by Step Solution

1. Step 1: Write the proportion equation
   52,597.33 : 72,584.89 = 28,724.70 : x
2. Step 2: Convert to fraction form
   52,597.33/72,584.89 = 28,724.70/x
3. Step 3: Cross multiply
   52,597.33x = 72,584.89 × 28,724.70
4. Step 4: Simplify right side
   52,597.33x = 2,084,979,172.80
5. Step 5: Solve for x
   x = 2,084,979,172.80/52,597.33
6. Step 6: Final answer
   x = 39,640.40