Finding the Fourth Proportional to 23,919.62, 35,828.17 and 19,456.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,919.62 : 35,828.17 = 19,456.10 : x
2. Step 2: Convert to fraction form
   23,919.62/35,828.17 = 19,456.10/x
3. Step 3: Cross multiply
   23,919.62x = 35,828.17 × 19,456.10
4. Step 4: Simplify right side
   23,919.62x = 697,076,230.56
5. Step 5: Solve for x
   x = 697,076,230.56/23,919.62
6. Step 6: Final answer
   x = 29,142.45