Finding the Fourth Proportional to 60,761.72, 83,858.42 and 35,611.20

Step by Step Solution

1. Step 1: Write the proportion equation
   60,761.72 : 83,858.42 = 35,611.20 : x
2. Step 2: Convert to fraction form
   60,761.72/83,858.42 = 35,611.20/x
3. Step 3: Cross multiply
   60,761.72x = 83,858.42 × 35,611.20
4. Step 4: Simplify right side
   60,761.72x = 2,986,298,966.30
5. Step 5: Solve for x
   x = 2,986,298,966.30/60,761.72
6. Step 6: Final answer
   x = 49,147.70