Finding the Fourth Proportional to 22,012.22, 33,062.40 and 13,144.88

Step by Step Solution

1. Step 1: Write the proportion equation
   22,012.22 : 33,062.40 = 13,144.88 : x
2. Step 2: Convert to fraction form
   22,012.22/33,062.40 = 13,144.88/x
3. Step 3: Cross multiply
   22,012.22x = 33,062.40 × 13,144.88
4. Step 4: Simplify right side
   22,012.22x = 434,601,280.51
5. Step 5: Solve for x
   x = 434,601,280.51/22,012.22
6. Step 6: Final answer
   x = 19,743.64