Finding the Fourth Proportional to 3,369.60, 5,056.71 and 1,178.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,369.60 : 5,056.71 = 1,178.34 : x
2. Step 2: Convert to fraction form
   3,369.60/5,056.71 = 1,178.34/x
3. Step 3: Cross multiply
   3,369.60x = 5,056.71 × 1,178.34
4. Step 4: Simplify right side
   3,369.60x = 5,958,523.66
5. Step 5: Solve for x
   x = 5,958,523.66/3,369.60
6. Step 6: Final answer
   x = 1,768.32