Finding the Fourth Proportional to 12,404.34, 17,115.03 and 7,026.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.34 : 17,115.03 = 7,026.90 : x
2. Step 2: Convert to fraction form
   12,404.34/17,115.03 = 7,026.90/x
3. Step 3: Cross multiply
   12,404.34x = 17,115.03 × 7,026.90
4. Step 4: Simplify right side
   12,404.34x = 120,265,604.31
5. Step 5: Solve for x
   x = 120,265,604.31/12,404.34
6. Step 6: Final answer
   x = 9,695.45