Finding the Fourth Proportional to 52,760.55, 72,806.67 and 28,882.61

Step by Step Solution

1. Step 1: Write the proportion equation
   52,760.55 : 72,806.67 = 28,882.61 : x
2. Step 2: Convert to fraction form
   52,760.55/72,806.67 = 28,882.61/x
3. Step 3: Cross multiply
   52,760.55x = 72,806.67 × 28,882.61
4. Step 4: Simplify right side
   52,760.55x = 2,102,846,290.98
5. Step 5: Solve for x
   x = 2,102,846,290.98/52,760.55
6. Step 6: Final answer
   x = 39,856.41