Finding the Fourth Proportional to 33,155.55, 49,715.14 and 13,144.77

Step by Step Solution

1. Step 1: Write the proportion equation
   33,155.55 : 49,715.14 = 13,144.77 : x
2. Step 2: Convert to fraction form
   33,155.55/49,715.14 = 13,144.77/x
3. Step 3: Cross multiply
   33,155.55x = 49,715.14 × 13,144.77
4. Step 4: Simplify right side
   33,155.55x = 653,493,910.82
5. Step 5: Solve for x
   x = 653,493,910.82/33,155.55
6. Step 6: Final answer
   x = 19,709.94