Finding the Fourth Proportional to 22,512.69, 31,066.61 and 13,080.51

Step by Step Solution

1. Step 1: Write the proportion equation
   22,512.69 : 31,066.61 = 13,080.51 : x
2. Step 2: Convert to fraction form
   22,512.69/31,066.61 = 13,080.51/x
3. Step 3: Cross multiply
   22,512.69x = 31,066.61 × 13,080.51
4. Step 4: Simplify right side
   22,512.69x = 406,367,037.37
5. Step 5: Solve for x
   x = 406,367,037.37/22,512.69
6. Step 6: Final answer
   x = 18,050.58