Finding the Fourth Proportional to 23,915.24, 33,002.58 and 13,304.78

Step by Step Solution

1. Step 1: Write the proportion equation
   23,915.24 : 33,002.58 = 13,304.78 : x
2. Step 2: Convert to fraction form
   23,915.24/33,002.58 = 13,304.78/x
3. Step 3: Cross multiply
   23,915.24x = 33,002.58 × 13,304.78
4. Step 4: Simplify right side
   23,915.24x = 439,092,066.33
5. Step 5: Solve for x
   x = 439,092,066.33/23,915.24
6. Step 6: Final answer
   x = 18,360.35