Finding the Fourth Proportional to 10,548.06, 15,824.49 and 5,615.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,548.06 : 15,824.49 = 5,615.10 : x
2. Step 2: Convert to fraction form
   10,548.06/15,824.49 = 5,615.10/x
3. Step 3: Cross multiply
   10,548.06x = 15,824.49 × 5,615.10
4. Step 4: Simplify right side
   10,548.06x = 88,856,093.80
5. Step 5: Solve for x
   x = 88,856,093.80/10,548.06
6. Step 6: Final answer
   x = 8,423.93