Finding the Fourth Proportional to 64,390.43, 88,861.10 and 37,528.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,390.43 : 88,861.10 = 37,528.61 : x
2. Step 2: Convert to fraction form
   64,390.43/88,861.10 = 37,528.61/x
3. Step 3: Cross multiply
   64,390.43x = 88,861.10 × 37,528.61
4. Step 4: Simplify right side
   64,390.43x = 3,334,832,934.12
5. Step 5: Solve for x
   x = 3,334,832,934.12/64,390.43
6. Step 6: Final answer
   x = 51,790.82