Finding the Fourth Proportional to 23,929.83, 33,022.61 and 13,320.45

Step by Step Solution

1. Step 1: Write the proportion equation
   23,929.83 : 33,022.61 = 13,320.45 : x
2. Step 2: Convert to fraction form
   23,929.83/33,022.61 = 13,320.45/x
3. Step 3: Cross multiply
   23,929.83x = 33,022.61 × 13,320.45
4. Step 4: Simplify right side
   23,929.83x = 439,875,958.77
5. Step 5: Solve for x
   x = 439,875,958.77/23,929.83
6. Step 6: Final answer
   x = 18,381.91