Finding the Fourth Proportional to 17,636.28, 26,465.94 and 8,403

Step by Step Solution

1. Step 1: Write the proportion equation
   17,636.28 : 26,465.94 = 8,403 : x
2. Step 2: Convert to fraction form
   17,636.28/26,465.94 = 8,403/x
3. Step 3: Cross multiply
   17,636.28x = 26,465.94 × 8,403
4. Step 4: Simplify right side
   17,636.28x = 222,393,293.82
5. Step 5: Solve for x
   x = 222,393,293.82/17,636.28
6. Step 6: Final answer
   x = 12,609.99