Finding the Fourth Proportional to 14,111.90, 19,474.32 and 8,143.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,111.90 : 19,474.32 = 8,143.52 : x
2. Step 2: Convert to fraction form
   14,111.90/19,474.32 = 8,143.52/x
3. Step 3: Cross multiply
   14,111.90x = 19,474.32 × 8,143.52
4. Step 4: Simplify right side
   14,111.90x = 158,589,514.41
5. Step 5: Solve for x
   x = 158,589,514.41/14,111.90
6. Step 6: Final answer
   x = 11,238.00