Finding the Fourth Proportional to 83,858.46, 125,729.37 and 31,253.82

Step by Step Solution

1. Step 1: Write the proportion equation
   83,858.46 : 125,729.37 = 31,253.82 : x
2. Step 2: Convert to fraction form
   83,858.46/125,729.37 = 31,253.82/x
3. Step 3: Cross multiply
   83,858.46x = 125,729.37 × 31,253.82
4. Step 4: Simplify right side
   83,858.46x = 3,929,523,098.69
5. Step 5: Solve for x
   x = 3,929,523,098.69/83,858.46
6. Step 6: Final answer
   x = 46,858.99