Finding the Fourth Proportional to 12,053.79, 18,081.88 and 4,155.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,053.79 : 18,081.88 = 4,155.24 : x
2. Step 2: Convert to fraction form
   12,053.79/18,081.88 = 4,155.24/x
3. Step 3: Cross multiply
   12,053.79x = 18,081.88 × 4,155.24
4. Step 4: Simplify right side
   12,053.79x = 75,134,592.83
5. Step 5: Solve for x
   x = 75,134,592.83/12,053.79
6. Step 6: Final answer
   x = 6,233.28