Finding the Fourth Proportional to 11,398.16, 17,105.04 and 7,002.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,398.16 : 17,105.04 = 7,002.24 : x
2. Step 2: Convert to fraction form
   11,398.16/17,105.04 = 7,002.24/x
3. Step 3: Cross multiply
   11,398.16x = 17,105.04 × 7,002.24
4. Step 4: Simplify right side
   11,398.16x = 119,773,595.29
5. Step 5: Solve for x
   x = 119,773,595.29/11,398.16
6. Step 6: Final answer
   x = 10,508.15