Finding the Fourth Proportional to 17,631, 24,309.18 and 13,842.36

Step by Step Solution

1. Step 1: Write the proportion equation
   17,631 : 24,309.18 = 13,842.36 : x
2. Step 2: Convert to fraction form
   17,631/24,309.18 = 13,842.36/x
3. Step 3: Cross multiply
   17,631x = 24,309.18 × 13,842.36
4. Step 4: Simplify right side
   17,631x = 336,496,420.86
5. Step 5: Solve for x
   x = 336,496,420.86/17,631
6. Step 6: Final answer
   x = 19,085.50