Finding the Fourth Proportional to 52,732.37, 72,770.85 and 28,859.24

Step by Step Solution

1. Step 1: Write the proportion equation
   52,732.37 : 72,770.85 = 28,859.24 : x
2. Step 2: Convert to fraction form
   52,732.37/72,770.85 = 28,859.24/x
3. Step 3: Cross multiply
   52,732.37x = 72,770.85 × 28,859.24
4. Step 4: Simplify right side
   52,732.37x = 2,100,111,061.30
5. Step 5: Solve for x
   x = 2,100,111,061.30/52,732.37
6. Step 6: Final answer
   x = 39,825.85