Finding the Fourth Proportional to 17,143.84, 23,662.29 and 10,855

Step by Step Solution

1. Step 1: Write the proportion equation
   17,143.84 : 23,662.29 = 10,855 : x
2. Step 2: Convert to fraction form
   17,143.84/23,662.29 = 10,855/x
3. Step 3: Cross multiply
   17,143.84x = 23,662.29 × 10,855
4. Step 4: Simplify right side
   17,143.84x = 256,854,157.95
5. Step 5: Solve for x
   x = 256,854,157.95/17,143.84
6. Step 6: Final answer
   x = 14,982.30