Finding the Fourth Proportional to 22,307.69, 33,513.37 and 13,080.17

Step by Step Solution

1. Step 1: Write the proportion equation
   22,307.69 : 33,513.37 = 13,080.17 : x
2. Step 2: Convert to fraction form
   22,307.69/33,513.37 = 13,080.17/x
3. Step 3: Cross multiply
   22,307.69x = 33,513.37 × 13,080.17
4. Step 4: Simplify right side
   22,307.69x = 438,360,376.61
5. Step 5: Solve for x
   x = 438,360,376.61/22,307.69
6. Step 6: Final answer
   x = 19,650.64