Finding the Fourth Proportional to 10,615.56, 15,925.74 and 5,682.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,615.56 : 15,925.74 = 5,682.60 : x
2. Step 2: Convert to fraction form
   10,615.56/15,925.74 = 5,682.60/x
3. Step 3: Cross multiply
   10,615.56x = 15,925.74 × 5,682.60
4. Step 4: Simplify right side
   10,615.56x = 90,499,610.12
5. Step 5: Solve for x
   x = 90,499,610.12/10,615.56
6. Step 6: Final answer
   x = 8,525.18