Finding the Fourth Proportional to 12,043.92, 18,061.20 and 4,144.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,043.92 : 18,061.20 = 4,144.93 : x
2. Step 2: Convert to fraction form
   12,043.92/18,061.20 = 4,144.93/x
3. Step 3: Cross multiply
   12,043.92x = 18,061.20 × 4,144.93
4. Step 4: Simplify right side
   12,043.92x = 74,862,409.72
5. Step 5: Solve for x
   x = 74,862,409.72/12,043.92
6. Step 6: Final answer
   x = 6,215.78