Finding the Fourth Proportional to 21,530.75, 32,298.55 and 5,736.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,530.75 : 32,298.55 = 5,736.42 : x
2. Step 2: Convert to fraction form
   21,530.75/32,298.55 = 5,736.42/x
3. Step 3: Cross multiply
   21,530.75x = 32,298.55 × 5,736.42
4. Step 4: Simplify right side
   21,530.75x = 185,278,033.85
5. Step 5: Solve for x
   x = 185,278,033.85/21,530.75
6. Step 6: Final answer
   x = 8,605.28