Finding the Fourth Proportional to 14,426.04, 19,911.52 and 8,142.04

Step by Step Solution

1. Step 1: Write the proportion equation
   14,426.04 : 19,911.52 = 8,142.04 : x
2. Step 2: Convert to fraction form
   14,426.04/19,911.52 = 8,142.04/x
3. Step 3: Cross multiply
   14,426.04x = 19,911.52 × 8,142.04
4. Step 4: Simplify right side
   14,426.04x = 162,120,392.30
5. Step 5: Solve for x
   x = 162,120,392.30/14,426.04
6. Step 6: Final answer
   x = 11,238.04