Finding the Fourth Proportional to 23,927.18, 33,019.59 and 13,856.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,927.18 : 33,019.59 = 13,856.15 : x
2. Step 2: Convert to fraction form
   23,927.18/33,019.59 = 13,856.15/x
3. Step 3: Cross multiply
   23,927.18x = 33,019.59 × 13,856.15
4. Step 4: Simplify right side
   23,927.18x = 457,524,226.88
5. Step 5: Solve for x
   x = 457,524,226.88/23,927.18
6. Step 6: Final answer
   x = 19,121.53