Finding the Fourth Proportional to 14,790.88, 20,411.52 and 8,076.64

Step by Step Solution

1. Step 1: Write the proportion equation
   14,790.88 : 20,411.52 = 8,076.64 : x
2. Step 2: Convert to fraction form
   14,790.88/20,411.52 = 8,076.64/x
3. Step 3: Cross multiply
   14,790.88x = 20,411.52 × 8,076.64
4. Step 4: Simplify right side
   14,790.88x = 164,856,498.89
5. Step 5: Solve for x
   x = 164,856,498.89/14,790.88
6. Step 6: Final answer
   x = 11,145.82