Finding the Fourth Proportional to 12,404.15, 17,117.43 and 7,098.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.15 : 17,117.43 = 7,098.63 : x
2. Step 2: Convert to fraction form
   12,404.15/17,117.43 = 7,098.63/x
3. Step 3: Cross multiply
   12,404.15x = 17,117.43 × 7,098.63
4. Step 4: Simplify right side
   12,404.15x = 121,510,302.12
5. Step 5: Solve for x
   x = 121,510,302.12/12,404.15
6. Step 6: Final answer
   x = 9,795.94