Finding the Fourth Proportional to 9,948.33, 14,981.74 and 8,665.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,948.33 : 14,981.74 = 8,665.29 : x
2. Step 2: Convert to fraction form
   9,948.33/14,981.74 = 8,665.29/x
3. Step 3: Cross multiply
   9,948.33x = 14,981.74 × 8,665.29
4. Step 4: Simplify right side
   9,948.33x = 129,821,100.14
5. Step 5: Solve for x
   x = 129,821,100.14/9,948.33
6. Step 6: Final answer
   x = 13,049.54