Finding the Fourth Proportional to 8,881.89, 13,316.17 and 5,371.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,881.89 : 13,316.17 = 5,371.18 : x
2. Step 2: Convert to fraction form
   8,881.89/13,316.17 = 5,371.18/x
3. Step 3: Cross multiply
   8,881.89x = 13,316.17 × 5,371.18
4. Step 4: Simplify right side
   8,881.89x = 71,523,561.03
5. Step 5: Solve for x
   x = 71,523,561.03/8,881.89
6. Step 6: Final answer
   x = 8,052.74