Finding the Fourth Proportional to 83,857.31, 125,807.84 and 31,267.25

Step by Step Solution

1. Step 1: Write the proportion equation
   83,857.31 : 125,807.84 = 31,267.25 : x
2. Step 2: Convert to fraction form
   83,857.31/125,807.84 = 31,267.25/x
3. Step 3: Cross multiply
   83,857.31x = 125,807.84 × 31,267.25
4. Step 4: Simplify right side
   83,857.31x = 3,933,665,028.90
5. Step 5: Solve for x
   x = 3,933,665,028.90/83,857.31
6. Step 6: Final answer
   x = 46,909.03