Finding the Fourth Proportional to 252,922.56, 349,032.42 and 139,744.50

Step by Step Solution

1. Step 1: Write the proportion equation
   252,922.56 : 349,032.42 = 139,744.50 : x
2. Step 2: Convert to fraction form
   252,922.56/349,032.42 = 139,744.50/x
3. Step 3: Cross multiply
   252,922.56x = 349,032.42 × 139,744.50
4. Step 4: Simplify right side
   252,922.56x = 48,775,361,016.69
5. Step 5: Solve for x
   x = 48,775,361,016.69/252,922.56
6. Step 6: Final answer
   x = 192,847.02