Finding the Fourth Proportional to 17,218.53, 23,773.91 and 13,233.33

Step by Step Solution

1. Step 1: Write the proportion equation
   17,218.53 : 23,773.91 = 13,233.33 : x
2. Step 2: Convert to fraction form
   17,218.53/23,773.91 = 13,233.33/x
3. Step 3: Cross multiply
   17,218.53x = 23,773.91 × 13,233.33
4. Step 4: Simplify right side
   17,218.53x = 314,607,930.25
5. Step 5: Solve for x
   x = 314,607,930.25/17,218.53
6. Step 6: Final answer
   x = 18,271.47