Finding the Fourth Proportional to 22,613.91, 33,756.15 and 20,946.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,613.91 : 33,756.15 = 20,946.32 : x
2. Step 2: Convert to fraction form
   22,613.91/33,756.15 = 20,946.32/x
3. Step 3: Cross multiply
   22,613.91x = 33,756.15 × 20,946.32
4. Step 4: Simplify right side
   22,613.91x = 707,066,951.09
5. Step 5: Solve for x
   x = 707,066,951.09/22,613.91
6. Step 6: Final answer
   x = 31,266.90