Finding the Fourth Proportional to 249,443.38, 374,168.31 and 83,231.38

Step by Step Solution

1. Step 1: Write the proportion equation
   249,443.38 : 374,168.31 = 83,231.38 : x
2. Step 2: Convert to fraction form
   249,443.38/374,168.31 = 83,231.38/x
3. Step 3: Cross multiply
   249,443.38x = 374,168.31 × 83,231.38
4. Step 4: Simplify right side
   249,443.38x = 31,142,542,506.57
5. Step 5: Solve for x
   x = 31,142,542,506.57/249,443.38
6. Step 6: Final answer
   x = 124,848.14