Finding the Fourth Proportional to 17,451.16, 26,155.98 and 8,078.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,451.16 : 26,155.98 = 8,078.12 : x
2. Step 2: Convert to fraction form
   17,451.16/26,155.98 = 8,078.12/x
3. Step 3: Cross multiply
   17,451.16x = 26,155.98 × 8,078.12
4. Step 4: Simplify right side
   17,451.16x = 211,291,145.16
5. Step 5: Solve for x
   x = 211,291,145.16/17,451.16
6. Step 6: Final answer
   x = 12,107.57