Finding the Fourth Proportional to 143,306.22, 214,978.77 and 49,799.82

Step by Step Solution

1. Step 1: Write the proportion equation
   143,306.22 : 214,978.77 = 49,799.82 : x
2. Step 2: Convert to fraction form
   143,306.22/214,978.77 = 49,799.82/x
3. Step 3: Cross multiply
   143,306.22x = 214,978.77 × 49,799.82
4. Step 4: Simplify right side
   143,306.22x = 10,705,904,049.82
5. Step 5: Solve for x
   x = 10,705,904,049.82/143,306.22
6. Step 6: Final answer
   x = 74,706.49