Finding the Fourth Proportional to 144,514.71, 216,718.17 and 49,718.37

Step by Step Solution

1. Step 1: Write the proportion equation
   144,514.71 : 216,718.17 = 49,718.37 : x
2. Step 2: Convert to fraction form
   144,514.71/216,718.17 = 49,718.37/x
3. Step 3: Cross multiply
   144,514.71x = 216,718.17 × 49,718.37
4. Step 4: Simplify right side
   144,514.71x = 10,774,874,161.78
5. Step 5: Solve for x
   x = 10,774,874,161.78/144,514.71
6. Step 6: Final answer
   x = 74,559.01