Finding the Fourth Proportional to 21,816.33, 32,576.70 and 17,323.57

Step by Step Solution

1. Step 1: Write the proportion equation
   21,816.33 : 32,576.70 = 17,323.57 : x
2. Step 2: Convert to fraction form
   21,816.33/32,576.70 = 17,323.57/x
3. Step 3: Cross multiply
   21,816.33x = 32,576.70 × 17,323.57
4. Step 4: Simplify right side
   21,816.33x = 564,344,742.82
5. Step 5: Solve for x
   x = 564,344,742.82/21,816.33
6. Step 6: Final answer
   x = 25,868.00