Finding the Fourth Proportional to 17,650.62, 26,435.61 and 8,423.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,650.62 : 26,435.61 = 8,423.10 : x
2. Step 2: Convert to fraction form
   17,650.62/26,435.61 = 8,423.10/x
3. Step 3: Cross multiply
   17,650.62x = 26,435.61 × 8,423.10
4. Step 4: Simplify right side
   17,650.62x = 222,669,786.59
5. Step 5: Solve for x
   x = 222,669,786.59/17,650.62
6. Step 6: Final answer
   x = 12,615.41