Finding the Fourth Proportional to 23,513, 32,448.24 and 12,902.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,513 : 32,448.24 = 12,902.40 : x
2. Step 2: Convert to fraction form
   23,513/32,448.24 = 12,902.40/x
3. Step 3: Cross multiply
   23,513x = 32,448.24 × 12,902.40
4. Step 4: Simplify right side
   23,513x = 418,660,171.78
5. Step 5: Solve for x
   x = 418,660,171.78/23,513
6. Step 6: Final answer
   x = 17,805.48