Finding the Fourth Proportional to 21,359.52, 32,061.83 and 12,007.53

Step by Step Solution

1. Step 1: Write the proportion equation
   21,359.52 : 32,061.83 = 12,007.53 : x
2. Step 2: Convert to fraction form
   21,359.52/32,061.83 = 12,007.53/x
3. Step 3: Cross multiply
   21,359.52x = 32,061.83 × 12,007.53
4. Step 4: Simplify right side
   21,359.52x = 384,983,325.54
5. Step 5: Solve for x
   x = 384,983,325.54/21,359.52
6. Step 6: Final answer
   x = 18,023.97