Finding the Fourth Proportional to 22,744.78, 31,384.04 and 12,670.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,744.78 : 31,384.04 = 12,670.94 : x
2. Step 2: Convert to fraction form
   22,744.78/31,384.04 = 12,670.94/x
3. Step 3: Cross multiply
   22,744.78x = 31,384.04 × 12,670.94
4. Step 4: Simplify right side
   22,744.78x = 397,665,287.80
5. Step 5: Solve for x
   x = 397,665,287.80/22,744.78
6. Step 6: Final answer
   x = 17,483.80