Finding the Fourth Proportional to 52,437.24, 72,363.39 and 28,563.91

Step by Step Solution

1. Step 1: Write the proportion equation
   52,437.24 : 72,363.39 = 28,563.91 : x
2. Step 2: Convert to fraction form
   52,437.24/72,363.39 = 28,563.91/x
3. Step 3: Cross multiply
   52,437.24x = 72,363.39 × 28,563.91
4. Step 4: Simplify right side
   52,437.24x = 2,066,981,359.25
5. Step 5: Solve for x
   x = 2,066,981,359.25/52,437.24
6. Step 6: Final answer
   x = 39,418.20