Finding the Fourth Proportional to 2,404.42, 3,318.24 and 1,356.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.42 : 3,318.24 = 1,356.64 : x
2. Step 2: Convert to fraction form
   2,404.42/3,318.24 = 1,356.64/x
3. Step 3: Cross multiply
   2,404.42x = 3,318.24 × 1,356.64
4. Step 4: Simplify right side
   2,404.42x = 4,501,657.11
5. Step 5: Solve for x
   x = 4,501,657.11/2,404.42
6. Step 6: Final answer
   x = 1,872.24