Finding the Fourth Proportional to 33,243.89, 45,863.58 and 21,919.34

Step by Step Solution

1. Step 1: Write the proportion equation
   33,243.89 : 45,863.58 = 21,919.34 : x
2. Step 2: Convert to fraction form
   33,243.89/45,863.58 = 21,919.34/x
3. Step 3: Cross multiply
   33,243.89x = 45,863.58 × 21,919.34
4. Step 4: Simplify right side
   33,243.89x = 1,005,299,174.32
5. Step 5: Solve for x
   x = 1,005,299,174.32/33,243.89
6. Step 6: Final answer
   x = 30,240.12