Finding the Fourth Proportional to 52,288.23, 72,155.76 and 28,414.38

Step by Step Solution

1. Step 1: Write the proportion equation
   52,288.23 : 72,155.76 = 28,414.38 : x
2. Step 2: Convert to fraction form
   52,288.23/72,155.76 = 28,414.38/x
3. Step 3: Cross multiply
   52,288.23x = 72,155.76 × 28,414.38
4. Step 4: Simplify right side
   52,288.23x = 2,050,261,183.83
5. Step 5: Solve for x
   x = 2,050,261,183.83/52,288.23
6. Step 6: Final answer
   x = 39,210.76