Finding the Fourth Proportional to 31,273.88, 46,912.98 and 10,499

Step by Step Solution

1. Step 1: Write the proportion equation
   31,273.88 : 46,912.98 = 10,499 : x
2. Step 2: Convert to fraction form
   31,273.88/46,912.98 = 10,499/x
3. Step 3: Cross multiply
   31,273.88x = 46,912.98 × 10,499
4. Step 4: Simplify right side
   31,273.88x = 492,539,377.02
5. Step 5: Solve for x
   x = 492,539,377.02/31,273.88
6. Step 6: Final answer
   x = 15,749.23