Finding the Fourth Proportional to 21,339.39, 32,008.28 and 5,757.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,339.39 : 32,008.28 = 5,757.42 : x
2. Step 2: Convert to fraction form
   21,339.39/32,008.28 = 5,757.42/x
3. Step 3: Cross multiply
   21,339.39x = 32,008.28 × 5,757.42
4. Step 4: Simplify right side
   21,339.39x = 184,285,082.65
5. Step 5: Solve for x
   x = 184,285,082.65/21,339.39
6. Step 6: Final answer
   x = 8,635.91