Finding the Fourth Proportional to 144,436.86, 216,599.31 and 49,649.22

Step by Step Solution

1. Step 1: Write the proportion equation
   144,436.86 : 216,599.31 = 49,649.22 : x
2. Step 2: Convert to fraction form
   144,436.86/216,599.31 = 49,649.22/x
3. Step 3: Cross multiply
   144,436.86x = 216,599.31 × 49,649.22
4. Step 4: Simplify right side
   144,436.86x = 10,753,986,794.04
5. Step 5: Solve for x
   x = 10,753,986,794.04/144,436.86
6. Step 6: Final answer
   x = 74,454.59