Finding the Fourth Proportional to 98,738.10, 148,103.82 and 39,557.88

Step by Step Solution

1. Step 1: Write the proportion equation
   98,738.10 : 148,103.82 = 39,557.88 : x
2. Step 2: Convert to fraction form
   98,738.10/148,103.82 = 39,557.88/x
3. Step 3: Cross multiply
   98,738.10x = 148,103.82 × 39,557.88
4. Step 4: Simplify right side
   98,738.10x = 5,858,673,139.10
5. Step 5: Solve for x
   x = 5,858,673,139.10/98,738.10
6. Step 6: Final answer
   x = 59,335.49