Finding the Fourth Proportional to 249,443.25, 374,168.12 and 83,231.25

Step by Step Solution

1. Step 1: Write the proportion equation
   249,443.25 : 374,168.12 = 83,231.25 : x
2. Step 2: Convert to fraction form
   249,443.25/374,168.12 = 83,231.25/x
3. Step 3: Cross multiply
   249,443.25x = 374,168.12 × 83,231.25
4. Step 4: Simplify right side
   249,443.25x = 31,142,479,921.59
5. Step 5: Solve for x
   x = 31,142,479,921.59/249,443.25
6. Step 6: Final answer
   x = 124,847.96