Finding the Fourth Proportional to 23,012.21, 31,757.97 and 12,943.82

Step by Step Solution

1. Step 1: Write the proportion equation
   23,012.21 : 31,757.97 = 12,943.82 : x
2. Step 2: Convert to fraction form
   23,012.21/31,757.97 = 12,943.82/x
3. Step 3: Cross multiply
   23,012.21x = 31,757.97 × 12,943.82
4. Step 4: Simplify right side
   23,012.21x = 411,069,447.25
5. Step 5: Solve for x
   x = 411,069,447.25/23,012.21
6. Step 6: Final answer
   x = 17,863.10