Finding the Fourth Proportional to 22,816.17, 31,483.22 and 12,743.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,816.17 : 31,483.22 = 12,743.35 : x
2. Step 2: Convert to fraction form
   22,816.17/31,483.22 = 12,743.35/x
3. Step 3: Cross multiply
   22,816.17x = 31,483.22 × 12,743.35
4. Step 4: Simplify right side
   22,816.17x = 401,201,549.16
5. Step 5: Solve for x
   x = 401,201,549.16/22,816.17
6. Step 6: Final answer
   x = 17,584.09