Finding the Fourth Proportional to 66,142.17, 91,284.17 and 37,847.25

Step by Step Solution

1. Step 1: Write the proportion equation
   66,142.17 : 91,284.17 = 37,847.25 : x
2. Step 2: Convert to fraction form
   66,142.17/91,284.17 = 37,847.25/x
3. Step 3: Cross multiply
   66,142.17x = 91,284.17 × 37,847.25
4. Step 4: Simplify right side
   66,142.17x = 3,454,854,613.80
5. Step 5: Solve for x
   x = 3,454,854,613.80/66,142.17
6. Step 6: Final answer
   x = 52,233.77