Finding the Fourth Proportional to 2,435.86, 3,361.48 and 1,316.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.86 : 3,361.48 = 1,316.79 : x
2. Step 2: Convert to fraction form
   2,435.86/3,361.48 = 1,316.79/x
3. Step 3: Cross multiply
   2,435.86x = 3,361.48 × 1,316.79
4. Step 4: Simplify right side
   2,435.86x = 4,426,363.25
5. Step 5: Solve for x
   x = 4,426,363.25/2,435.86
6. Step 6: Final answer
   x = 1,817.17