Finding the Fourth Proportional to 144,168.38, 216,258.45 and 49,463.68

Step by Step Solution

1. Step 1: Write the proportion equation
   144,168.38 : 216,258.45 = 49,463.68 : x
2. Step 2: Convert to fraction form
   144,168.38/216,258.45 = 49,463.68/x
3. Step 3: Cross multiply
   144,168.38x = 216,258.45 × 49,463.68
4. Step 4: Simplify right side
   144,168.38x = 10,696,938,768.10
5. Step 5: Solve for x
   x = 10,696,938,768.10/144,168.38
6. Step 6: Final answer
   x = 74,197.54