Finding the Fourth Proportional to 23,978.64, 33,081.85 and 13,901.54

Step by Step Solution

1. Step 1: Write the proportion equation
   23,978.64 : 33,081.85 = 13,901.54 : x
2. Step 2: Convert to fraction form
   23,978.64/33,081.85 = 13,901.54/x
3. Step 3: Cross multiply
   23,978.64x = 33,081.85 × 13,901.54
4. Step 4: Simplify right side
   23,978.64x = 459,888,513.02
5. Step 5: Solve for x
   x = 459,888,513.02/23,978.64
6. Step 6: Final answer
   x = 19,179.09