Finding the Fourth Proportional to 31,014.92, 46,513.98 and 13,480.76

Step by Step Solution

1. Step 1: Write the proportion equation
   31,014.92 : 46,513.98 = 13,480.76 : x
2. Step 2: Convert to fraction form
   31,014.92/46,513.98 = 13,480.76/x
3. Step 3: Cross multiply
   31,014.92x = 46,513.98 × 13,480.76
4. Step 4: Simplify right side
   31,014.92x = 627,043,801.02
5. Step 5: Solve for x
   x = 627,043,801.02/31,014.92
6. Step 6: Final answer
   x = 20,217.49