Finding the Fourth Proportional to 22,314.52, 30,790.56 and 12,881.26

Step by Step Solution

1. Step 1: Write the proportion equation
   22,314.52 : 30,790.56 = 12,881.26 : x
2. Step 2: Convert to fraction form
   22,314.52/30,790.56 = 12,881.26/x
3. Step 3: Cross multiply
   22,314.52x = 30,790.56 × 12,881.26
4. Step 4: Simplify right side
   22,314.52x = 396,621,208.91
5. Step 5: Solve for x
   x = 396,621,208.91/22,314.52
6. Step 6: Final answer
   x = 17,774.13