Finding the Fourth Proportional to 2,403.92, 3,317.56 and 1,356.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.92 : 3,317.56 = 1,356.14 : x
2. Step 2: Convert to fraction form
   2,403.92/3,317.56 = 1,356.14/x
3. Step 3: Cross multiply
   2,403.92x = 3,317.56 × 1,356.14
4. Step 4: Simplify right side
   2,403.92x = 4,499,075.82
5. Step 5: Solve for x
   x = 4,499,075.82/2,403.92
6. Step 6: Final answer
   x = 1,871.56