Finding the Fourth Proportional to 2,418.37, 3,337.38 and 1,356.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.37 : 3,337.38 = 1,356.12 : x
2. Step 2: Convert to fraction form
   2,418.37/3,337.38 = 1,356.12/x
3. Step 3: Cross multiply
   2,418.37x = 3,337.38 × 1,356.12
4. Step 4: Simplify right side
   2,418.37x = 4,525,887.77
5. Step 5: Solve for x
   x = 4,525,887.77/2,418.37
6. Step 6: Final answer
   x = 1,871.46