Finding the Fourth Proportional to 64,621.55, 89,160.86 and 37,748.79

Step by Step Solution

1. Step 1: Write the proportion equation
   64,621.55 : 89,160.86 = 37,748.79 : x
2. Step 2: Convert to fraction form
   64,621.55/89,160.86 = 37,748.79/x
3. Step 3: Cross multiply
   64,621.55x = 89,160.86 × 37,748.79
4. Step 4: Simplify right side
   64,621.55x = 3,365,714,391.62
5. Step 5: Solve for x
   x = 3,365,714,391.62/64,621.55
6. Step 6: Final answer
   x = 52,083.47