Finding the Fourth Proportional to 2,217.24, 3,327.62 and 1,178.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,217.24 : 3,327.62 = 1,178.52 : x
2. Step 2: Convert to fraction form
   2,217.24/3,327.62 = 1,178.52/x
3. Step 3: Cross multiply
   2,217.24x = 3,327.62 × 1,178.52
4. Step 4: Simplify right side
   2,217.24x = 3,921,666.72
5. Step 5: Solve for x
   x = 3,921,666.72/2,217.24
6. Step 6: Final answer
   x = 1,768.72