Finding the Fourth Proportional to 12,402.92, 17,106.59 and 8,626.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402.92 : 17,106.59 = 8,626.10 : x
2. Step 2: Convert to fraction form
   12,402.92/17,106.59 = 8,626.10/x
3. Step 3: Cross multiply
   12,402.92x = 17,106.59 × 8,626.10
4. Step 4: Simplify right side
   12,402.92x = 147,563,092.03
5. Step 5: Solve for x
   x = 147,563,092.03/12,402.92
6. Step 6: Final answer
   x = 11,897.45