Finding the Fourth Proportional to 10,245.58, 15,348.92 and 5,307.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,245.58 : 15,348.92 = 5,307.82 : x
2. Step 2: Convert to fraction form
   10,245.58/15,348.92 = 5,307.82/x
3. Step 3: Cross multiply
   10,245.58x = 15,348.92 × 5,307.82
4. Step 4: Simplify right side
   10,245.58x = 81,469,304.55
5. Step 5: Solve for x
   x = 81,469,304.55/10,245.58
6. Step 6: Final answer
   x = 7,951.65