Finding the Fourth Proportional to 143,251.56, 214,879.50 and 49,759.56

Step by Step Solution

1. Step 1: Write the proportion equation
   143,251.56 : 214,879.50 = 49,759.56 : x
2. Step 2: Convert to fraction form
   143,251.56/214,879.50 = 49,759.56/x
3. Step 3: Cross multiply
   143,251.56x = 214,879.50 × 49,759.56
4. Step 4: Simplify right side
   143,251.56x = 10,692,309,373.02
5. Step 5: Solve for x
   x = 10,692,309,373.02/143,251.56
6. Step 6: Final answer
   x = 74,640.09