Finding the Fourth Proportional to 10,343.50, 15,512.52 and 4,498.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,343.50 : 15,512.52 = 4,498.78 : x
2. Step 2: Convert to fraction form
   10,343.50/15,512.52 = 4,498.78/x
3. Step 3: Cross multiply
   10,343.50x = 15,512.52 × 4,498.78
4. Step 4: Simplify right side
   10,343.50x = 69,787,414.73
5. Step 5: Solve for x
   x = 69,787,414.73/10,343.50
6. Step 6: Final answer
   x = 6,746.98