Finding the Fourth Proportional to 9,908.06, 14,862.51 and 5,522.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.06 : 14,862.51 = 5,522.18 : x
2. Step 2: Convert to fraction form
   9,908.06/14,862.51 = 5,522.18/x
3. Step 3: Cross multiply
   9,908.06x = 14,862.51 × 5,522.18
4. Step 4: Simplify right side
   9,908.06x = 82,073,381.16
5. Step 5: Solve for x
   x = 82,073,381.16/9,908.06
6. Step 6: Final answer
   x = 8,283.50