Finding the Fourth Proportional to 42,229.40, 63,217.89 and 25,538.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,229.40 : 63,217.89 = 25,538.94 : x
2. Step 2: Convert to fraction form
   42,229.40/63,217.89 = 25,538.94/x
3. Step 3: Cross multiply
   42,229.40x = 63,217.89 × 25,538.94
4. Step 4: Simplify right side
   42,229.40x = 1,614,517,899.64
5. Step 5: Solve for x
   x = 1,614,517,899.64/42,229.40
6. Step 6: Final answer
   x = 38,232.09