Finding the Fourth Proportional to 14,081.10, 19,428.52 and 8,772.15

Step by Step Solution

1. Step 1: Write the proportion equation
   14,081.10 : 19,428.52 = 8,772.15 : x
2. Step 2: Convert to fraction form
   14,081.10/19,428.52 = 8,772.15/x
3. Step 3: Cross multiply
   14,081.10x = 19,428.52 × 8,772.15
4. Step 4: Simplify right side
   14,081.10x = 170,429,891.72
5. Step 5: Solve for x
   x = 170,429,891.72/14,081.10
6. Step 6: Final answer
   x = 12,103.45