Finding the Fourth Proportional to 144,402.89, 216,558.24 and 49,610.21

Step by Step Solution

1. Step 1: Write the proportion equation
   144,402.89 : 216,558.24 = 49,610.21 : x
2. Step 2: Convert to fraction form
   144,402.89/216,558.24 = 49,610.21/x
3. Step 3: Cross multiply
   144,402.89x = 216,558.24 × 49,610.21
4. Step 4: Simplify right side
   144,402.89x = 10,743,498,773.86
5. Step 5: Solve for x
   x = 10,743,498,773.86/144,402.89
6. Step 6: Final answer
   x = 74,399.47