Finding the Fourth Proportional to 12,404.80, 17,118.34 and 7,026.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.80 : 17,118.34 = 7,026.80 : x
2. Step 2: Convert to fraction form
   12,404.80/17,118.34 = 7,026.80/x
3. Step 3: Cross multiply
   12,404.80x = 17,118.34 × 7,026.80
4. Step 4: Simplify right side
   12,404.80x = 120,287,144.64
5. Step 5: Solve for x
   x = 120,287,144.64/12,404.80
6. Step 6: Final answer
   x = 9,696.83