Finding the Fourth Proportional to 23,696.82, 32,701.86 and 13,086.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,696.82 : 32,701.86 = 13,086.72 : x
2. Step 2: Convert to fraction form
   23,696.82/32,701.86 = 13,086.72/x
3. Step 3: Cross multiply
   23,696.82x = 32,701.86 × 13,086.72
4. Step 4: Simplify right side
   23,696.82x = 427,960,085.30
5. Step 5: Solve for x
   x = 427,960,085.30/23,696.82
6. Step 6: Final answer
   x = 18,059.81