Finding the Fourth Proportional to 52,584.56, 72,566.60 and 28,711.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,584.56 : 72,566.60 = 28,711.12 : x
2. Step 2: Convert to fraction form
   52,584.56/72,566.60 = 28,711.12/x
3. Step 3: Cross multiply
   52,584.56x = 72,566.60 × 28,711.12
4. Step 4: Simplify right side
   52,584.56x = 2,083,468,360.59
5. Step 5: Solve for x
   x = 2,083,468,360.59/52,584.56
6. Step 6: Final answer
   x = 39,621.29