Finding the Fourth Proportional to 22,477.56, 31,016.70 and 13,044.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,477.56 : 31,016.70 = 13,044.30 : x
2. Step 2: Convert to fraction form
   22,477.56/31,016.70 = 13,044.30/x
3. Step 3: Cross multiply
   22,477.56x = 31,016.70 × 13,044.30
4. Step 4: Simplify right side
   22,477.56x = 404,591,139.81
5. Step 5: Solve for x
   x = 404,591,139.81/22,477.56
6. Step 6: Final answer
   x = 17,999.78