Finding the Fourth Proportional to 33,143.86, 49,715.34 and 12,088.54

Step by Step Solution

1. Step 1: Write the proportion equation
   33,143.86 : 49,715.34 = 12,088.54 : x
2. Step 2: Convert to fraction form
   33,143.86/49,715.34 = 12,088.54/x
3. Step 3: Cross multiply
   33,143.86x = 49,715.34 × 12,088.54
4. Step 4: Simplify right side
   33,143.86x = 600,985,876.20
5. Step 5: Solve for x
   x = 600,985,876.20/33,143.86
6. Step 6: Final answer
   x = 18,132.65