Finding the Fourth Proportional to 2,404.17, 3,317.85 and 1,356.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,404.17 : 3,317.85 = 1,356.21 : x
2. Step 2: Convert to fraction form
   2,404.17/3,317.85 = 1,356.21/x
3. Step 3: Cross multiply
   2,404.17x = 3,317.85 × 1,356.21
4. Step 4: Simplify right side
   2,404.17x = 4,499,701.35
5. Step 5: Solve for x
   x = 4,499,701.35/2,404.17
6. Step 6: Final answer
   x = 1,871.62