Finding the Fourth Proportional to 23,092.44, 31,878.22 and 13,531

Step by Step Solution

1. Step 1: Write the proportion equation
   23,092.44 : 31,878.22 = 13,531 : x
2. Step 2: Convert to fraction form
   23,092.44/31,878.22 = 13,531/x
3. Step 3: Cross multiply
   23,092.44x = 31,878.22 × 13,531
4. Step 4: Simplify right side
   23,092.44x = 431,344,194.82
5. Step 5: Solve for x
   x = 431,344,194.82/23,092.44
6. Step 6: Final answer
   x = 18,679.02