Finding the Fourth Proportional to 23,418.53, 32,315.54 and 13,208.99

Step by Step Solution

1. Step 1: Write the proportion equation
   23,418.53 : 32,315.54 = 13,208.99 : x
2. Step 2: Convert to fraction form
   23,418.53/32,315.54 = 13,208.99/x
3. Step 3: Cross multiply
   23,418.53x = 32,315.54 × 13,208.99
4. Step 4: Simplify right side
   23,418.53x = 426,855,758.52
5. Step 5: Solve for x
   x = 426,855,758.52/23,418.53
6. Step 6: Final answer
   x = 18,227.27