Finding the Fourth Proportional to 144,476.92, 216,661.52 and 49,680.28

Step by Step Solution

1. Step 1: Write the proportion equation
   144,476.92 : 216,661.52 = 49,680.28 : x
2. Step 2: Convert to fraction form
   144,476.92/216,661.52 = 49,680.28/x
3. Step 3: Cross multiply
   144,476.92x = 216,661.52 × 49,680.28
4. Step 4: Simplify right side
   144,476.92x = 10,763,804,978.83
5. Step 5: Solve for x
   x = 10,763,804,978.83/144,476.92
6. Step 6: Final answer
   x = 74,501.90