Finding the Fourth Proportional to 51,565.89, 71,165.98 and 28,904.93

Step by Step Solution

1. Step 1: Write the proportion equation
   51,565.89 : 71,165.98 = 28,904.93 : x
2. Step 2: Convert to fraction form
   51,565.89/71,165.98 = 28,904.93/x
3. Step 3: Cross multiply
   51,565.89x = 71,165.98 × 28,904.93
4. Step 4: Simplify right side
   51,565.89x = 2,057,047,454.86
5. Step 5: Solve for x
   x = 2,057,047,454.86/51,565.89
6. Step 6: Final answer
   x = 39,891.63