Finding the Fourth Proportional to 21,315.63, 31,974.05 and 5,733.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,315.63 : 31,974.05 = 5,733.25 : x
2. Step 2: Convert to fraction form
   21,315.63/31,974.05 = 5,733.25/x
3. Step 3: Cross multiply
   21,315.63x = 31,974.05 × 5,733.25
4. Step 4: Simplify right side
   21,315.63x = 183,315,222.16
5. Step 5: Solve for x
   x = 183,315,222.16/21,315.63
6. Step 6: Final answer
   x = 8,600.04