Finding the Fourth Proportional to 17,660.03, 24,341.31 and 13,406.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,660.03 : 24,341.31 = 13,406.31 : x
2. Step 2: Convert to fraction form
   17,660.03/24,341.31 = 13,406.31/x
3. Step 3: Cross multiply
   17,660.03x = 24,341.31 × 13,406.31
4. Step 4: Simplify right side
   17,660.03x = 326,327,147.67
5. Step 5: Solve for x
   x = 326,327,147.67/17,660.03
6. Step 6: Final answer
   x = 18,478.29