Finding the Fourth Proportional to 72,566.86, 108,857.17 and 28,197.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,566.86 : 108,857.17 = 28,197.04 : x
2. Step 2: Convert to fraction form
   72,566.86/108,857.17 = 28,197.04/x
3. Step 3: Cross multiply
   72,566.86x = 108,857.17 × 28,197.04
4. Step 4: Simplify right side
   72,566.86x = 3,069,449,479.22
5. Step 5: Solve for x
   x = 3,069,449,479.22/72,566.86
6. Step 6: Final answer
   x = 42,298.23