Finding the Fourth Proportional to 3,369.47, 5,055.42 and 1,178.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,369.47 : 5,055.42 = 1,178.52 : x
2. Step 2: Convert to fraction form
   3,369.47/5,055.42 = 1,178.52/x
3. Step 3: Cross multiply
   3,369.47x = 5,055.42 × 1,178.52
4. Step 4: Simplify right side
   3,369.47x = 5,957,913.58
5. Step 5: Solve for x
   x = 5,957,913.58/3,369.47
6. Step 6: Final answer
   x = 1,768.20