Finding the Fourth Proportional to 33,158.99, 49,701.53 and 12,081.78

Step by Step Solution

1. Step 1: Write the proportion equation
   33,158.99 : 49,701.53 = 12,081.78 : x
2. Step 2: Convert to fraction form
   33,158.99/49,701.53 = 12,081.78/x
3. Step 3: Cross multiply
   33,158.99x = 49,701.53 × 12,081.78
4. Step 4: Simplify right side
   33,158.99x = 600,482,890.71
5. Step 5: Solve for x
   x = 600,482,890.71/33,158.99
6. Step 6: Final answer
   x = 18,109.21