Finding the Fourth Proportional to 2,403.96, 3,316.89 and 1,356.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,403.96 : 3,316.89 = 1,356.02 : x
2. Step 2: Convert to fraction form
   2,403.96/3,316.89 = 1,356.02/x
3. Step 3: Cross multiply
   2,403.96x = 3,316.89 × 1,356.02
4. Step 4: Simplify right side
   2,403.96x = 4,497,777.47
5. Step 5: Solve for x
   x = 4,497,777.47/2,403.96
6. Step 6: Final answer
   x = 1,870.99