Finding the Fourth Proportional to 33,123.40, 45,710.18 and 18,976.20

Step by Step Solution

1. Step 1: Write the proportion equation
   33,123.40 : 45,710.18 = 18,976.20 : x
2. Step 2: Convert to fraction form
   33,123.40/45,710.18 = 18,976.20/x
3. Step 3: Cross multiply
   33,123.40x = 45,710.18 × 18,976.20
4. Step 4: Simplify right side
   33,123.40x = 867,405,517.72
5. Step 5: Solve for x
   x = 867,405,517.72/33,123.40
6. Step 6: Final answer
   x = 26,187.09