Finding the Fourth Proportional to 21,283.02, 31,920.89 and 5,697

Step by Step Solution

1. Step 1: Write the proportion equation
   21,283.02 : 31,920.89 = 5,697 : x
2. Step 2: Convert to fraction form
   21,283.02/31,920.89 = 5,697/x
3. Step 3: Cross multiply
   21,283.02x = 31,920.89 × 5,697
4. Step 4: Simplify right side
   21,283.02x = 181,853,281.85
5. Step 5: Solve for x
   x = 181,853,281.85/21,283.02
6. Step 6: Final answer
   x = 8,544.52