Finding the Fourth Proportional to 64,280.61, 88,659.41 and 41,602.10

Step by Step Solution

1. Step 1: Write the proportion equation
   64,280.61 : 88,659.41 = 41,602.10 : x
2. Step 2: Convert to fraction form
   64,280.61/88,659.41 = 41,602.10/x
3. Step 3: Cross multiply
   64,280.61x = 88,659.41 × 41,602.10
4. Step 4: Simplify right side
   64,280.61x = 3,688,416,989.45
5. Step 5: Solve for x
   x = 3,688,416,989.45/64,280.61
6. Step 6: Final answer
   x = 57,379.93