Finding the Fourth Proportional to 8,885.89, 12,263.25 and 5,110.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,885.89 : 12,263.25 = 5,110.28 : x
2. Step 2: Convert to fraction form
   8,885.89/12,263.25 = 5,110.28/x
3. Step 3: Cross multiply
   8,885.89x = 12,263.25 × 5,110.28
4. Step 4: Simplify right side
   8,885.89x = 62,668,579.89
5. Step 5: Solve for x
   x = 62,668,579.89/8,885.89
6. Step 6: Final answer
   x = 7,052.60