Finding the Fourth Proportional to 17,602.68, 26,389.56 and 8,238.15

Step by Step Solution

1. Step 1: Write the proportion equation
   17,602.68 : 26,389.56 = 8,238.15 : x
2. Step 2: Convert to fraction form
   17,602.68/26,389.56 = 8,238.15/x
3. Step 3: Cross multiply
   17,602.68x = 26,389.56 × 8,238.15
4. Step 4: Simplify right side
   17,602.68x = 217,401,153.71
5. Step 5: Solve for x
   x = 217,401,153.71/17,602.68
6. Step 6: Final answer
   x = 12,350.46