Finding the Fourth Proportional to 23,696.74, 32,701.42 and 13,086.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,696.74 : 32,701.42 = 13,086.28 : x
2. Step 2: Convert to fraction form
   23,696.74/32,701.42 = 13,086.28/x
3. Step 3: Cross multiply
   23,696.74x = 32,701.42 × 13,086.28
4. Step 4: Simplify right side
   23,696.74x = 427,939,938.52
5. Step 5: Solve for x
   x = 427,939,938.52/23,696.74
6. Step 6: Final answer
   x = 18,059.02