Finding the Fourth Proportional to 31,116.24, 46,647.84 and 13,573.20

Step by Step Solution

1. Step 1: Write the proportion equation
   31,116.24 : 46,647.84 = 13,573.20 : x
2. Step 2: Convert to fraction form
   31,116.24/46,647.84 = 13,573.20/x
3. Step 3: Cross multiply
   31,116.24x = 46,647.84 × 13,573.20
4. Step 4: Simplify right side
   31,116.24x = 633,160,461.89
5. Step 5: Solve for x
   x = 633,160,461.89/31,116.24
6. Step 6: Final answer
   x = 20,348.23