Finding the Fourth Proportional to 10,330.82, 14,256.56 and 5,615.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,330.82 : 14,256.56 = 5,615.12 : x
2. Step 2: Convert to fraction form
   10,330.82/14,256.56 = 5,615.12/x
3. Step 3: Cross multiply
   10,330.82x = 14,256.56 × 5,615.12
4. Step 4: Simplify right side
   10,330.82x = 80,052,295.19
5. Step 5: Solve for x
   x = 80,052,295.19/10,330.82
6. Step 6: Final answer
   x = 7,748.88