Finding the Fourth Proportional to 83,857.06, 125,807.46 and 31,267

Step by Step Solution

1. Step 1: Write the proportion equation
   83,857.06 : 125,807.46 = 31,267 : x
2. Step 2: Convert to fraction form
   83,857.06/125,807.46 = 31,267/x
3. Step 3: Cross multiply
   83,857.06x = 125,807.46 × 31,267
4. Step 4: Simplify right side
   83,857.06x = 3,933,621,851.82
5. Step 5: Solve for x
   x = 3,933,621,851.82/83,857.06
6. Step 6: Final answer
   x = 46,908.65