Finding the Fourth Proportional to 52,568.69, 72,542.72 and 28,695.33

Step by Step Solution

1. Step 1: Write the proportion equation
   52,568.69 : 72,542.72 = 28,695.33 : x
2. Step 2: Convert to fraction form
   52,568.69/72,542.72 = 28,695.33/x
3. Step 3: Cross multiply
   52,568.69x = 72,542.72 × 28,695.33
4. Step 4: Simplify right side
   52,568.69x = 2,081,637,361.24
5. Step 5: Solve for x
   x = 2,081,637,361.24/52,568.69
6. Step 6: Final answer
   x = 39,598.43