Finding the Fourth Proportional to 14,986.59, 20,681.21 and 8,271.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,986.59 : 20,681.21 = 8,271.83 : x
2. Step 2: Convert to fraction form
   14,986.59/20,681.21 = 8,271.83/x
3. Step 3: Cross multiply
   14,986.59x = 20,681.21 × 8,271.83
4. Step 4: Simplify right side
   14,986.59x = 171,071,308.55
5. Step 5: Solve for x
   x = 171,071,308.55/14,986.59
6. Step 6: Final answer
   x = 11,414.96