Finding the Fourth Proportional to 22,861.91, 34,087.48 and 20,909.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,861.91 : 34,087.48 = 20,909.27 : x
2. Step 2: Convert to fraction form
   22,861.91/34,087.48 = 20,909.27/x
3. Step 3: Cross multiply
   22,861.91x = 34,087.48 × 20,909.27
4. Step 4: Simplify right side
   22,861.91x = 712,744,322.94
5. Step 5: Solve for x
   x = 712,744,322.94/22,861.91
6. Step 6: Final answer
   x = 31,176.06