Finding the Fourth Proportional to 22,814.96, 31,484.31 and 12,743.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,814.96 : 31,484.31 = 12,743.54 : x
2. Step 2: Convert to fraction form
   22,814.96/31,484.31 = 12,743.54/x
3. Step 3: Cross multiply
   22,814.96x = 31,484.31 × 12,743.54
4. Step 4: Simplify right side
   22,814.96x = 401,221,476.71
5. Step 5: Solve for x
   x = 401,221,476.71/22,814.96
6. Step 6: Final answer
   x = 17,585.90