Finding the Fourth Proportional to 21,359.28, 32,024.18 and 11,488.62

Step by Step Solution

1. Step 1: Write the proportion equation
   21,359.28 : 32,024.18 = 11,488.62 : x
2. Step 2: Convert to fraction form
   21,359.28/32,024.18 = 11,488.62/x
3. Step 3: Cross multiply
   21,359.28x = 32,024.18 × 11,488.62
4. Step 4: Simplify right side
   21,359.28x = 367,913,634.83
5. Step 5: Solve for x
   x = 367,913,634.83/21,359.28
6. Step 6: Final answer
   x = 17,225.00