Finding the Fourth Proportional to 14,317.83, 21,475.89 and 8,511.39

Step by Step Solution

1. Step 1: Write the proportion equation
   14,317.83 : 21,475.89 = 8,511.39 : x
2. Step 2: Convert to fraction form
   14,317.83/21,475.89 = 8,511.39/x
3. Step 3: Cross multiply
   14,317.83x = 21,475.89 × 8,511.39
4. Step 4: Simplify right side
   14,317.83x = 182,789,675.39
5. Step 5: Solve for x
   x = 182,789,675.39/14,317.83
6. Step 6: Final answer
   x = 12,766.58