Finding the Fourth Proportional to 17,308.13, 23,885.33 and 10,142.28

Step by Step Solution

1. Step 1: Write the proportion equation
   17,308.13 : 23,885.33 = 10,142.28 : x
2. Step 2: Convert to fraction form
   17,308.13/23,885.33 = 10,142.28/x
3. Step 3: Cross multiply
   17,308.13x = 23,885.33 × 10,142.28
4. Step 4: Simplify right side
   17,308.13x = 242,251,654.04
5. Step 5: Solve for x
   x = 242,251,654.04/17,308.13
6. Step 6: Final answer
   x = 13,996.41