Finding the Fourth Proportional to 144,438.36, 216,601.56 and 49,650.72

Step by Step Solution

1. Step 1: Write the proportion equation
   144,438.36 : 216,601.56 = 49,650.72 : x
2. Step 2: Convert to fraction form
   144,438.36/216,601.56 = 49,650.72/x
3. Step 3: Cross multiply
   144,438.36x = 216,601.56 × 49,650.72
4. Step 4: Simplify right side
   144,438.36x = 10,754,423,407.12
5. Step 5: Solve for x
   x = 10,754,423,407.12/144,438.36
6. Step 6: Final answer
   x = 74,456.84