Finding the Fourth Proportional to 12,404.36, 17,118.42 and 7,098.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,404.36 : 17,118.42 = 7,098.76 : x
2. Step 2: Convert to fraction form
   12,404.36/17,118.42 = 7,098.76/x
3. Step 3: Cross multiply
   12,404.36x = 17,118.42 × 7,098.76
4. Step 4: Simplify right side
   12,404.36x = 121,519,555.16
5. Step 5: Solve for x
   x = 121,519,555.16/12,404.36
6. Step 6: Final answer
   x = 9,796.52