Finding the Fourth Proportional to 2,417.86, 3,336.69 and 1,370.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,417.86 : 3,336.69 = 1,370.14 : x
2. Step 2: Convert to fraction form
   2,417.86/3,336.69 = 1,370.14/x
3. Step 3: Cross multiply
   2,417.86x = 3,336.69 × 1,370.14
4. Step 4: Simplify right side
   2,417.86x = 4,571,732.44
5. Step 5: Solve for x
   x = 4,571,732.44/2,417.86
6. Step 6: Final answer
   x = 1,890.82