Finding the Fourth Proportional to 10,330.98, 14,256.18 and 5,615.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,330.98 : 14,256.18 = 5,615.22 : x
2. Step 2: Convert to fraction form
   10,330.98/14,256.18 = 5,615.22/x
3. Step 3: Cross multiply
   10,330.98x = 14,256.18 × 5,615.22
4. Step 4: Simplify right side
   10,330.98x = 80,051,587.06
5. Step 5: Solve for x
   x = 80,051,587.06/10,330.98
6. Step 6: Final answer
   x = 7,748.69