Finding the Fourth Proportional to 22,308.06, 33,513.93 and 13,080.54

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.06 : 33,513.93 = 13,080.54 : x
2. Step 2: Convert to fraction form
   22,308.06/33,513.93 = 13,080.54/x
3. Step 3: Cross multiply
   22,308.06x = 33,513.93 × 13,080.54
4. Step 4: Simplify right side
   22,308.06x = 438,380,301.92
5. Step 5: Solve for x
   x = 438,380,301.92/22,308.06
6. Step 6: Final answer
   x = 19,651.21