Finding the Fourth Proportional to 14,149.74, 19,521.32 and 8,769.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,149.74 : 19,521.32 = 8,769.72 : x
2. Step 2: Convert to fraction form
   14,149.74/19,521.32 = 8,769.72/x
3. Step 3: Cross multiply
   14,149.74x = 19,521.32 × 8,769.72
4. Step 4: Simplify right side
   14,149.74x = 171,196,510.43
5. Step 5: Solve for x
   x = 171,196,510.43/14,149.74
6. Step 6: Final answer
   x = 12,098.92