Finding the Fourth Proportional to 22,814.19, 31,480.46 and 12,741.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,814.19 : 31,480.46 = 12,741.35 : x
2. Step 2: Convert to fraction form
   22,814.19/31,480.46 = 12,741.35/x
3. Step 3: Cross multiply
   22,814.19x = 31,480.46 × 12,741.35
4. Step 4: Simplify right side
   22,814.19x = 401,103,580.69
5. Step 5: Solve for x
   x = 401,103,580.69/22,814.19
6. Step 6: Final answer
   x = 17,581.32