Finding the Fourth Proportional to 91,414.90, 137,139.54 and 41,498.50

Step by Step Solution

1. Step 1: Write the proportion equation
   91,414.90 : 137,139.54 = 41,498.50 : x
2. Step 2: Convert to fraction form
   91,414.90/137,139.54 = 41,498.50/x
3. Step 3: Cross multiply
   91,414.90x = 137,139.54 × 41,498.50
4. Step 4: Simplify right side
   91,414.90x = 5,691,085,200.69
5. Step 5: Solve for x
   x = 5,691,085,200.69/91,414.90
6. Step 6: Final answer
   x = 62,255.55