Finding the Fourth Proportional to 2,933.20, 4,401.56 and 1,178.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.20 : 4,401.56 = 1,178.60 : x
2. Step 2: Convert to fraction form
   2,933.20/4,401.56 = 1,178.60/x
3. Step 3: Cross multiply
   2,933.20x = 4,401.56 × 1,178.60
4. Step 4: Simplify right side
   2,933.20x = 5,187,678.62
5. Step 5: Solve for x
   x = 5,187,678.62/2,933.20
6. Step 6: Final answer
   x = 1,768.61