Finding the Fourth Proportional to 8,898.56, 12,275.55 and 8,265.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,898.56 : 12,275.55 = 8,265.34 : x
2. Step 2: Convert to fraction form
   8,898.56/12,275.55 = 8,265.34/x
3. Step 3: Cross multiply
   8,898.56x = 12,275.55 × 8,265.34
4. Step 4: Simplify right side
   8,898.56x = 101,461,609.78
5. Step 5: Solve for x
   x = 101,461,609.78/8,898.56
6. Step 6: Final answer
   x = 11,402.03