Finding the Fourth Proportional to 2,418.08, 3,336.73 and 1,370.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,418.08 : 3,336.73 = 1,370.15 : x
2. Step 2: Convert to fraction form
   2,418.08/3,336.73 = 1,370.15/x
3. Step 3: Cross multiply
   2,418.08x = 3,336.73 × 1,370.15
4. Step 4: Simplify right side
   2,418.08x = 4,571,820.61
5. Step 5: Solve for x
   x = 4,571,820.61/2,418.08
6. Step 6: Final answer
   x = 1,890.68