Finding the Fourth Proportional to 144,269.78, 216,409.06 and 49,498.63

Step by Step Solution

1. Step 1: Write the proportion equation
   144,269.78 : 216,409.06 = 49,498.63 : x
2. Step 2: Convert to fraction form
   144,269.78/216,409.06 = 49,498.63/x
3. Step 3: Cross multiply
   144,269.78x = 216,409.06 × 49,498.63
4. Step 4: Simplify right side
   144,269.78x = 10,711,951,989.59
5. Step 5: Solve for x
   x = 10,711,951,989.59/144,269.78
6. Step 6: Final answer
   x = 74,249.45