Finding the Fourth Proportional to 12,394.71, 17,103.65 and 7,088.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,394.71 : 17,103.65 = 7,088.49 : x
2. Step 2: Convert to fraction form
   12,394.71/17,103.65 = 7,088.49/x
3. Step 3: Cross multiply
   12,394.71x = 17,103.65 × 7,088.49
4. Step 4: Simplify right side
   12,394.71x = 121,239,016.55
5. Step 5: Solve for x
   x = 121,239,016.55/12,394.71
6. Step 6: Final answer
   x = 9,781.51