Finding the Fourth Proportional to 22,495.27, 30,818.38 and 21,654.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,495.27 : 30,818.38 = 21,654.18 : x
2. Step 2: Convert to fraction form
   22,495.27/30,818.38 = 21,654.18/x
3. Step 3: Cross multiply
   22,495.27x = 30,818.38 × 21,654.18
4. Step 4: Simplify right side
   22,495.27x = 667,346,747.83
5. Step 5: Solve for x
   x = 667,346,747.83/22,495.27
6. Step 6: Final answer
   x = 29,666.09