Finding the Fourth Proportional to 22,814.37, 31,483.98 and 12,743.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,814.37 : 31,483.98 = 12,743.69 : x
2. Step 2: Convert to fraction form
   22,814.37/31,483.98 = 12,743.69/x
3. Step 3: Cross multiply
   22,814.37x = 31,483.98 × 12,743.69
4. Step 4: Simplify right side
   22,814.37x = 401,221,923.67
5. Step 5: Solve for x
   x = 401,221,923.67/22,814.37
6. Step 6: Final answer
   x = 17,586.37