Finding the Fourth Proportional to 3,369.56, 5,054.18 and 1,178.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,369.56 : 5,054.18 = 1,178.78 : x
2. Step 2: Convert to fraction form
   3,369.56/5,054.18 = 1,178.78/x
3. Step 3: Cross multiply
   3,369.56x = 5,054.18 × 1,178.78
4. Step 4: Simplify right side
   3,369.56x = 5,957,735.14
5. Step 5: Solve for x
   x = 5,957,735.14/3,369.56
6. Step 6: Final answer
   x = 1,768.11