Finding the Fourth Proportional to 10,331.03, 14,256.88 and 5,615.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,331.03 : 14,256.88 = 5,615.32 : x
2. Step 2: Convert to fraction form
   10,331.03/14,256.88 = 5,615.32/x
3. Step 3: Cross multiply
   10,331.03x = 14,256.88 × 5,615.32
4. Step 4: Simplify right side
   10,331.03x = 80,056,844.04
5. Step 5: Solve for x
   x = 80,056,844.04/10,331.03
6. Step 6: Final answer
   x = 7,749.16