Finding the Fourth Proportional to 2,403.86, 3,317.33 and 1,355.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.86 : 3,317.33 = 1,355.93 : x
2. Step 2: Convert to fraction form
   2,403.86/3,317.33 = 1,355.93/x
3. Step 3: Cross multiply
   2,403.86x = 3,317.33 × 1,355.93
4. Step 4: Simplify right side
   2,403.86x = 4,498,043.90
5. Step 5: Solve for x
   x = 4,498,043.90/2,403.86
6. Step 6: Final answer
   x = 1,871.18