Finding the Fourth Proportional to 11,549.41, 17,280.85 and 8,225.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,549.41 : 17,280.85 = 8,225.34 : x
2. Step 2: Convert to fraction form
   11,549.41/17,280.85 = 8,225.34/x
3. Step 3: Cross multiply
   11,549.41x = 17,280.85 × 8,225.34
4. Step 4: Simplify right side
   11,549.41x = 142,140,780.33
5. Step 5: Solve for x
   x = 142,140,780.33/11,549.41
6. Step 6: Final answer
   x = 12,307.20