Finding the Fourth Proportional to 33,401.74, 45,989.49 and 28,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   33,401.74 : 45,989.49 = 28,355.50 : x
2. Step 2: Convert to fraction form
   33,401.74/45,989.49 = 28,355.50/x
3. Step 3: Cross multiply
   33,401.74x = 45,989.49 × 28,355.50
4. Step 4: Simplify right side
   33,401.74x = 1,304,054,983.70
5. Step 5: Solve for x
   x = 1,304,054,983.70/33,401.74
6. Step 6: Final answer
   x = 39,041.53