Finding the Fourth Proportional to 144,012.42, 216,053.69 and 47,949.38

Step by Step Solution

1. Step 1: Write the proportion equation
   144,012.42 : 216,053.69 = 47,949.38 : x
2. Step 2: Convert to fraction form
   144,012.42/216,053.69 = 47,949.38/x
3. Step 3: Cross multiply
   144,012.42x = 216,053.69 × 47,949.38
4. Step 4: Simplify right side
   144,012.42x = 10,359,640,714.91
5. Step 5: Solve for x
   x = 10,359,640,714.91/144,012.42
6. Step 6: Final answer
   x = 71,935.74