Finding the Fourth Proportional to 12,650.88, 17,466.88 and 10,011.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,650.88 : 17,466.88 = 10,011.20 : x
2. Step 2: Convert to fraction form
   12,650.88/17,466.88 = 10,011.20/x
3. Step 3: Cross multiply
   12,650.88x = 17,466.88 × 10,011.20
4. Step 4: Simplify right side
   12,650.88x = 174,864,429.06
5. Step 5: Solve for x
   x = 174,864,429.06/12,650.88
6. Step 6: Final answer
   x = 13,822.31