Finding the Fourth Proportional to 52,597.34, 72,583.96 and 28,724.02

Step by Step Solution

1. Step 1: Write the proportion equation
   52,597.34 : 72,583.96 = 28,724.02 : x
2. Step 2: Convert to fraction form
   52,597.34/72,583.96 = 28,724.02/x
3. Step 3: Cross multiply
   52,597.34x = 72,583.96 × 28,724.02
4. Step 4: Simplify right side
   52,597.34x = 2,084,903,118.72
5. Step 5: Solve for x
   x = 2,084,903,118.72/52,597.34
6. Step 6: Final answer
   x = 39,638.95