Finding the Fourth Proportional to 144,539.82, 216,755.87 and 49,743.50

Step by Step Solution

1. Step 1: Write the proportion equation
   144,539.82 : 216,755.87 = 49,743.50 : x
2. Step 2: Convert to fraction form
   144,539.82/216,755.87 = 49,743.50/x
3. Step 3: Cross multiply
   144,539.82x = 216,755.87 × 49,743.50
4. Step 4: Simplify right side
   144,539.82x = 10,782,194,286.85
5. Step 5: Solve for x
   x = 10,782,194,286.85/144,539.82
6. Step 6: Final answer
   x = 74,596.70