Finding the Fourth Proportional to 144,419.01, 216,633.45 and 49,648.38

Step by Step Solution

1. Step 1: Write the proportion equation
   144,419.01 : 216,633.45 = 49,648.38 : x
2. Step 2: Convert to fraction form
   144,419.01/216,633.45 = 49,648.38/x
3. Step 3: Cross multiply
   144,419.01x = 216,633.45 × 49,648.38
4. Step 4: Simplify right side
   144,419.01x = 10,755,499,846.31
5. Step 5: Solve for x
   x = 10,755,499,846.31/144,419.01
6. Step 6: Final answer
   x = 74,474.27