Finding the Fourth Proportional to 9,758.22, 14,645.52 and 9,143.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,758.22 : 14,645.52 = 9,143.15 : x
2. Step 2: Convert to fraction form
   9,758.22/14,645.52 = 9,143.15/x
3. Step 3: Cross multiply
   9,758.22x = 14,645.52 × 9,143.15
4. Step 4: Simplify right side
   9,758.22x = 133,906,112.96
5. Step 5: Solve for x
   x = 133,906,112.96/9,758.22
6. Step 6: Final answer
   x = 13,722.39