Finding the Fourth Proportional to 33,243.83, 45,870.20 and 19,816.32

Step by Step Solution

1. Step 1: Write the proportion equation
   33,243.83 : 45,870.20 = 19,816.32 : x
2. Step 2: Convert to fraction form
   33,243.83/45,870.20 = 19,816.32/x
3. Step 3: Cross multiply
   33,243.83x = 45,870.20 × 19,816.32
4. Step 4: Simplify right side
   33,243.83x = 908,978,708.91
5. Step 5: Solve for x
   x = 908,978,708.91/33,243.83
6. Step 6: Final answer
   x = 27,342.78