Finding the Fourth Proportional to 22,494.27, 30,817.01 and 21,653.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,494.27 : 30,817.01 = 21,653.18 : x
2. Step 2: Convert to fraction form
   22,494.27/30,817.01 = 21,653.18/x
3. Step 3: Cross multiply
   22,494.27x = 30,817.01 × 21,653.18
4. Step 4: Simplify right side
   22,494.27x = 667,286,264.59
5. Step 5: Solve for x
   x = 667,286,264.59/22,494.27
6. Step 6: Final answer
   x = 29,664.72