Finding the Fourth Proportional to 64,565.83, 89,111.91 and 37,711.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,565.83 : 89,111.91 = 37,711.50 : x
2. Step 2: Convert to fraction form
   64,565.83/89,111.91 = 37,711.50/x
3. Step 3: Cross multiply
   64,565.83x = 89,111.91 × 37,711.50
4. Step 4: Simplify right side
   64,565.83x = 3,360,543,793.97
5. Step 5: Solve for x
   x = 3,360,543,793.97/64,565.83
6. Step 6: Final answer
   x = 52,048.33