Finding the Fourth Proportional to 14,078.16, 19,436.04 and 8,775.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,078.16 : 19,436.04 = 8,775.72 : x
2. Step 2: Convert to fraction form
   14,078.16/19,436.04 = 8,775.72/x
3. Step 3: Cross multiply
   14,078.16x = 19,436.04 × 8,775.72
4. Step 4: Simplify right side
   14,078.16x = 170,565,244.95
5. Step 5: Solve for x
   x = 170,565,244.95/14,078.16
6. Step 6: Final answer
   x = 12,115.59