Finding the Fourth Proportional to 8,911.01, 12,275.78 and 7,494.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,911.01 : 12,275.78 = 7,494.72 : x
2. Step 2: Convert to fraction form
   8,911.01/12,275.78 = 7,494.72/x
3. Step 3: Cross multiply
   8,911.01x = 12,275.78 × 7,494.72
4. Step 4: Simplify right side
   8,911.01x = 92,003,496.41
5. Step 5: Solve for x
   x = 92,003,496.41/8,911.01
6. Step 6: Final answer
   x = 10,324.70