Finding the Fourth Proportional to 23,073.67, 31,841.81 and 13,519.21

Step by Step Solution

1. Step 1: Write the proportion equation
   23,073.67 : 31,841.81 = 13,519.21 : x
2. Step 2: Convert to fraction form
   23,073.67/31,841.81 = 13,519.21/x
3. Step 3: Cross multiply
   23,073.67x = 31,841.81 × 13,519.21
4. Step 4: Simplify right side
   23,073.67x = 430,476,116.17
5. Step 5: Solve for x
   x = 430,476,116.17/23,073.67
6. Step 6: Final answer
   x = 18,656.59