Finding the Fourth Proportional to 83,896.62, 125,866.71 and 31,306.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,896.62 : 125,866.71 = 31,306.50 : x
2. Step 2: Convert to fraction form
   83,896.62/125,866.71 = 31,306.50/x
3. Step 3: Cross multiply
   83,896.62x = 125,866.71 × 31,306.50
4. Step 4: Simplify right side
   83,896.62x = 3,940,446,156.62
5. Step 5: Solve for x
   x = 3,940,446,156.62/83,896.62
6. Step 6: Final answer
   x = 46,967.88