Finding the Fourth Proportional to 23,190.72, 31,959 and 22,764.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,190.72 : 31,959 = 22,764.18 : x
2. Step 2: Convert to fraction form
   23,190.72/31,959 = 22,764.18/x
3. Step 3: Cross multiply
   23,190.72x = 31,959 × 22,764.18
4. Step 4: Simplify right side
   23,190.72x = 727,520,428.62
5. Step 5: Solve for x
   x = 727,520,428.62/23,190.72
6. Step 6: Final answer
   x = 31,371.19