Finding the Fourth Proportional to 14,074.72, 21,008.12 and 12,414.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,074.72 : 21,008.12 = 12,414.52 : x
2. Step 2: Convert to fraction form
   14,074.72/21,008.12 = 12,414.52/x
3. Step 3: Cross multiply
   14,074.72x = 21,008.12 × 12,414.52
4. Step 4: Simplify right side
   14,074.72x = 260,805,725.90
5. Step 5: Solve for x
   x = 260,805,725.90/14,074.72
6. Step 6: Final answer
   x = 18,530.08