Finding the Fourth Proportional to 23,919.81, 35,884.55 and 13,404.83

Step by Step Solution

1. Step 1: Write the proportion equation
   23,919.81 : 35,884.55 = 13,404.83 : x
2. Step 2: Convert to fraction form
   23,919.81/35,884.55 = 13,404.83/x
3. Step 3: Cross multiply
   23,919.81x = 35,884.55 × 13,404.83
4. Step 4: Simplify right side
   23,919.81x = 481,026,146.47
5. Step 5: Solve for x
   x = 481,026,146.47/23,919.81
6. Step 6: Final answer
   x = 20,109.95