Finding the Fourth Proportional to 12,055.40, 16,625.35 and 8,271.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,055.40 : 16,625.35 = 8,271.89 : x
2. Step 2: Convert to fraction form
   12,055.40/16,625.35 = 8,271.89/x
3. Step 3: Cross multiply
   12,055.40x = 16,625.35 × 8,271.89
4. Step 4: Simplify right side
   12,055.40x = 137,523,066.41
5. Step 5: Solve for x
   x = 137,523,066.41/12,055.40
6. Step 6: Final answer
   x = 11,407.59