Finding the Fourth Proportional to 23,696.47, 32,701.12 and 13,086.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,696.47 : 32,701.12 = 13,086.10 : x
2. Step 2: Convert to fraction form
   23,696.47/32,701.12 = 13,086.10/x
3. Step 3: Cross multiply
   23,696.47x = 32,701.12 × 13,086.10
4. Step 4: Simplify right side
   23,696.47x = 427,930,126.43
5. Step 5: Solve for x
   x = 427,930,126.43/23,696.47
6. Step 6: Final answer
   x = 18,058.81