Finding the Fourth Proportional to 2,403.56, 3,317.00 and 1,355.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.56 : 3,317.00 = 1,355.63 : x
2. Step 2: Convert to fraction form
   2,403.56/3,317.00 = 1,355.63/x
3. Step 3: Cross multiply
   2,403.56x = 3,317.00 × 1,355.63
4. Step 4: Simplify right side
   2,403.56x = 4,496,601.35
5. Step 5: Solve for x
   x = 4,496,601.35/2,403.56
6. Step 6: Final answer
   x = 1,870.81