Finding the Fourth Proportional to 2,153.55, 3,224.85 and 1,178.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.55 : 3,224.85 = 1,178.52 : x
2. Step 2: Convert to fraction form
   2,153.55/3,224.85 = 1,178.52/x
3. Step 3: Cross multiply
   2,153.55x = 3,224.85 × 1,178.52
4. Step 4: Simplify right side
   2,153.55x = 3,800,550.22
5. Step 5: Solve for x
   x = 3,800,550.22/2,153.55
6. Step 6: Final answer
   x = 1,764.78