Finding the Fourth Proportional to 23,696.28, 32,699.34 and 13,085.28

Step by Step Solution

1. Step 1: Write the proportion equation
   23,696.28 : 32,699.34 = 13,085.28 : x
2. Step 2: Convert to fraction form
   23,696.28/32,699.34 = 13,085.28/x
3. Step 3: Cross multiply
   23,696.28x = 32,699.34 × 13,085.28
4. Step 4: Simplify right side
   23,696.28x = 427,880,019.72
5. Step 5: Solve for x
   x = 427,880,019.72/23,696.28
6. Step 6: Final answer
   x = 18,056.84