Finding the Fourth Proportional to 22,814.67, 31,483.31 and 12,743.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,814.67 : 31,483.31 = 12,743.06 : x
2. Step 2: Convert to fraction form
   22,814.67/31,483.31 = 12,743.06/x
3. Step 3: Cross multiply
   22,814.67x = 31,483.31 × 12,743.06
4. Step 4: Simplify right side
   22,814.67x = 401,193,723.32
5. Step 5: Solve for x
   x = 401,193,723.32/22,814.67
6. Step 6: Final answer
   x = 17,584.90