Finding the Fourth Proportional to 52,566.69, 72,543.41 and 28,695.57

Step by Step Solution

1. Step 1: Write the proportion equation
   52,566.69 : 72,543.41 = 28,695.57 : x
2. Step 2: Convert to fraction form
   52,566.69/72,543.41 = 28,695.57/x
3. Step 3: Cross multiply
   52,566.69x = 72,543.41 × 28,695.57
4. Step 4: Simplify right side
   52,566.69x = 2,081,674,356.22
5. Step 5: Solve for x
   x = 2,081,674,356.22/52,566.69
6. Step 6: Final answer
   x = 39,600.64