Finding the Fourth Proportional to 17,657.34, 24,345 and 12,933.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,657.34 : 24,345 = 12,933.42 : x
2. Step 2: Convert to fraction form
   17,657.34/24,345 = 12,933.42/x
3. Step 3: Cross multiply
   17,657.34x = 24,345 × 12,933.42
4. Step 4: Simplify right side
   17,657.34x = 314,864,109.90
5. Step 5: Solve for x
   x = 314,864,109.90/17,657.34
6. Step 6: Final answer
   x = 17,831.91