Finding the Fourth Proportional to 10,493.31, 15,738.61 and 3,098.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,493.31 : 15,738.61 = 3,098.55 : x
2. Step 2: Convert to fraction form
   10,493.31/15,738.61 = 3,098.55/x
3. Step 3: Cross multiply
   10,493.31x = 15,738.61 × 3,098.55
4. Step 4: Simplify right side
   10,493.31x = 48,766,870.02
5. Step 5: Solve for x
   x = 48,766,870.02/10,493.31
6. Step 6: Final answer
   x = 4,647.42