Finding the Fourth Proportional to 21,585.02, 32,369.02 and 10,488.42

Step by Step Solution

1. Step 1: Write the proportion equation
   21,585.02 : 32,369.02 = 10,488.42 : x
2. Step 2: Convert to fraction form
   21,585.02/32,369.02 = 10,488.42/x
3. Step 3: Cross multiply
   21,585.02x = 32,369.02 × 10,488.42
4. Step 4: Simplify right side
   21,585.02x = 339,499,850.53
5. Step 5: Solve for x
   x = 339,499,850.53/21,585.02
6. Step 6: Final answer
   x = 15,728.50