Finding the Fourth Proportional to 10,617.72, 14,659.20 and 7,266.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,617.72 : 14,659.20 = 7,266.12 : x
2. Step 2: Convert to fraction form
   10,617.72/14,659.20 = 7,266.12/x
3. Step 3: Cross multiply
   10,617.72x = 14,659.20 × 7,266.12
4. Step 4: Simplify right side
   10,617.72x = 106,515,506.30
5. Step 5: Solve for x
   x = 106,515,506.30/10,617.72
6. Step 6: Final answer
   x = 10,031.86