Finding the Fourth Proportional to 64,499.04, 89,010.96 and 37,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,499.04 : 89,010.96 = 37,658.72 : x
2. Step 2: Convert to fraction form
   64,499.04/89,010.96 = 37,658.72/x
3. Step 3: Cross multiply
   64,499.04x = 89,010.96 × 37,658.72
4. Step 4: Simplify right side
   64,499.04x = 3,352,038,819.57
5. Step 5: Solve for x
   x = 3,352,038,819.57/64,499.04
6. Step 6: Final answer
   x = 51,970.37