Finding the Fourth Proportional to 17,142.78, 23,659.73 and 10,430.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,142.78 : 23,659.73 = 10,430.52 : x
2. Step 2: Convert to fraction form
   17,142.78/23,659.73 = 10,430.52/x
3. Step 3: Cross multiply
   17,142.78x = 23,659.73 × 10,430.52
4. Step 4: Simplify right side
   17,142.78x = 246,783,286.96
5. Step 5: Solve for x
   x = 246,783,286.96/17,142.78
6. Step 6: Final answer
   x = 14,395.76