Finding the Fourth Proportional to 2,418.56, 3,337.58 and 1,356.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.56 : 3,337.58 = 1,356.33 : x
2. Step 2: Convert to fraction form
   2,418.56/3,337.58 = 1,356.33/x
3. Step 3: Cross multiply
   2,418.56x = 3,337.58 × 1,356.33
4. Step 4: Simplify right side
   2,418.56x = 4,526,853.10
5. Step 5: Solve for x
   x = 4,526,853.10/2,418.56
6. Step 6: Final answer
   x = 1,871.72