Finding the Fourth Proportional to 2,404.52, 3,318.28 and 1,356.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.52 : 3,318.28 = 1,356.64 : x
2. Step 2: Convert to fraction form
   2,404.52/3,318.28 = 1,356.64/x
3. Step 3: Cross multiply
   2,404.52x = 3,318.28 × 1,356.64
4. Step 4: Simplify right side
   2,404.52x = 4,501,711.38
5. Step 5: Solve for x
   x = 4,501,711.38/2,404.52
6. Step 6: Final answer
   x = 1,872.19