Finding the Fourth Proportional to 144,143.27, 216,142.32 and 48,046.46

Step by Step Solution

1. Step 1: Write the proportion equation
   144,143.27 : 216,142.32 = 48,046.46 : x
2. Step 2: Convert to fraction form
   144,143.27/216,142.32 = 48,046.46/x
3. Step 3: Cross multiply
   144,143.27x = 216,142.32 × 48,046.46
4. Step 4: Simplify right side
   144,143.27x = 10,384,872,251.48
5. Step 5: Solve for x
   x = 10,384,872,251.48/144,143.27
6. Step 6: Final answer
   x = 72,045.49