Finding the Fourth Proportional to 22,564.72, 31,354.06 and 22,321.36

Step by Step Solution

1. Step 1: Write the proportion equation
   22,564.72 : 31,354.06 = 22,321.36 : x
2. Step 2: Convert to fraction form
   22,564.72/31,354.06 = 22,321.36/x
3. Step 3: Cross multiply
   22,564.72x = 31,354.06 × 22,321.36
4. Step 4: Simplify right side
   22,564.72x = 699,865,260.72
5. Step 5: Solve for x
   x = 699,865,260.72/22,564.72
6. Step 6: Final answer
   x = 31,015.91