Finding the Fourth Proportional to 249,443.63, 374,168.69 and 83,231.63

Step by Step Solution

1. Step 1: Write the proportion equation
   249,443.63 : 374,168.69 = 83,231.63 : x
2. Step 2: Convert to fraction form
   249,443.63/374,168.69 = 83,231.63/x
3. Step 3: Cross multiply
   249,443.63x = 374,168.69 × 83,231.63
4. Step 4: Simplify right side
   249,443.63x = 31,142,667,676.66
5. Step 5: Solve for x
   x = 31,142,667,676.66/249,443.63
6. Step 6: Final answer
   x = 124,848.52