Finding the Fourth Proportional to 23,251.78, 32,086.78 and 13,181.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,251.78 : 32,086.78 = 13,181.15 : x
2. Step 2: Convert to fraction form
   23,251.78/32,086.78 = 13,181.15/x
3. Step 3: Cross multiply
   23,251.78x = 32,086.78 × 13,181.15
4. Step 4: Simplify right side
   23,251.78x = 422,940,466.81
5. Step 5: Solve for x
   x = 422,940,466.81/23,251.78
6. Step 6: Final answer
   x = 18,189.60