Finding the Fourth Proportional to 33,155.52, 49,715.10 and 13,144.74

Step by Step Solution

1. Step 1: Write the proportion equation
   33,155.52 : 49,715.10 = 13,144.74 : x
2. Step 2: Convert to fraction form
   33,155.52/49,715.10 = 13,144.74/x
3. Step 3: Cross multiply
   33,155.52x = 49,715.10 × 13,144.74
4. Step 4: Simplify right side
   33,155.52x = 653,491,749.27
5. Step 5: Solve for x
   x = 653,491,749.27/33,155.52
6. Step 6: Final answer
   x = 19,709.90