Finding the Fourth Proportional to 33,123.50, 45,710.67 and 18,219.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,123.50 : 45,710.67 = 18,219.50 : x
2. Step 2: Convert to fraction form
   33,123.50/45,710.67 = 18,219.50/x
3. Step 3: Cross multiply
   33,123.50x = 45,710.67 × 18,219.50
4. Step 4: Simplify right side
   33,123.50x = 832,825,552.07
5. Step 5: Solve for x
   x = 832,825,552.07/33,123.50
6. Step 6: Final answer
   x = 25,143.04