Finding the Fourth Proportional to 23,019.24, 31,765.86 and 12,948.24

Step by Step Solution

1. Step 1: Write the proportion equation
   23,019.24 : 31,765.86 = 12,948.24 : x
2. Step 2: Convert to fraction form
   23,019.24/31,765.86 = 12,948.24/x
3. Step 3: Cross multiply
   23,019.24x = 31,765.86 × 12,948.24
4. Step 4: Simplify right side
   23,019.24x = 411,311,979.09
5. Step 5: Solve for x
   x = 411,311,979.09/23,019.24
6. Step 6: Final answer
   x = 17,868.18