Finding the Fourth Proportional to 12,626.54, 17,411.72 and 8,376.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,626.54 : 17,411.72 = 8,376.11 : x
2. Step 2: Convert to fraction form
   12,626.54/17,411.72 = 8,376.11/x
3. Step 3: Cross multiply
   12,626.54x = 17,411.72 × 8,376.11
4. Step 4: Simplify right side
   12,626.54x = 145,842,353.07
5. Step 5: Solve for x
   x = 145,842,353.07/12,626.54
6. Step 6: Final answer
   x = 11,550.47