Finding the Fourth Proportional to 52,597.53, 72,585.86 and 28,724.00

Step by Step Solution

1. Step 1: Write the proportion equation
   52,597.53 : 72,585.86 = 28,724.00 : x
2. Step 2: Convert to fraction form
   52,597.53/72,585.86 = 28,724.00/x
3. Step 3: Cross multiply
   52,597.53x = 72,585.86 × 28,724.00
4. Step 4: Simplify right side
   52,597.53x = 2,084,955,736.09
5. Step 5: Solve for x
   x = 2,084,955,736.09/52,597.53
6. Step 6: Final answer
   x = 39,639.80