Finding the Fourth Proportional to 144,564.82, 216,805.61 and 49,791.18

Step by Step Solution

1. Step 1: Write the proportion equation
   144,564.82 : 216,805.61 = 49,791.18 : x
2. Step 2: Convert to fraction form
   144,564.82/216,805.61 = 49,791.18/x
3. Step 3: Cross multiply
   144,564.82x = 216,805.61 × 49,791.18
4. Step 4: Simplify right side
   144,564.82x = 10,795,005,819.54
5. Step 5: Solve for x
   x = 10,795,005,819.54/144,564.82
6. Step 6: Final answer
   x = 74,672.43