Finding the Fourth Proportional to 2,363.82, 3,261.94 and 1,315.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,363.82 : 3,261.94 = 1,315.81 : x
2. Step 2: Convert to fraction form
   2,363.82/3,261.94 = 1,315.81/x
3. Step 3: Cross multiply
   2,363.82x = 3,261.94 × 1,315.81
4. Step 4: Simplify right side
   2,363.82x = 4,292,093.27
5. Step 5: Solve for x
   x = 4,292,093.27/2,363.82
6. Step 6: Final answer
   x = 1,815.74