Finding the Fourth Proportional to 253,006.50, 349,144.29 and 139,826.82

Step by Step Solution

1. Step 1: Write the proportion equation
   253,006.50 : 349,144.29 = 139,826.82 : x
2. Step 2: Convert to fraction form
   253,006.50/349,144.29 = 139,826.82/x
3. Step 3: Cross multiply
   253,006.50x = 349,144.29 × 139,826.82
4. Step 4: Simplify right side
   253,006.50x = 48,819,735,791.86
5. Step 5: Solve for x
   x = 48,819,735,791.86/253,006.50
6. Step 6: Final answer
   x = 192,958.43