Finding the Fourth Proportional to 64,752.91, 89,358.90 and 37,900.50

Step by Step Solution

1. Step 1: Write the proportion equation
   64,752.91 : 89,358.90 = 37,900.50 : x
2. Step 2: Convert to fraction form
   64,752.91/89,358.90 = 37,900.50/x
3. Step 3: Cross multiply
   64,752.91x = 89,358.90 × 37,900.50
4. Step 4: Simplify right side
   64,752.91x = 3,386,746,763.55
5. Step 5: Solve for x
   x = 3,386,746,763.55/64,752.91
6. Step 6: Final answer
   x = 52,302.62