Finding the Fourth Proportional to 143,922.62, 215,882.39 and 49,151.72

Step by Step Solution

1. Step 1: Write the proportion equation
   143,922.62 : 215,882.39 = 49,151.72 : x
2. Step 2: Convert to fraction form
   143,922.62/215,882.39 = 49,151.72/x
3. Step 3: Cross multiply
   143,922.62x = 215,882.39 × 49,151.72
4. Step 4: Simplify right side
   143,922.62x = 10,610,989,461.04
5. Step 5: Solve for x
   x = 10,610,989,461.04/143,922.62
6. Step 6: Final answer
   x = 73,727.05