Finding the Fourth Proportional to 2,363.63, 3,261.83 and 1,315.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,363.63 : 3,261.83 = 1,315.71 : x
2. Step 2: Convert to fraction form
   2,363.63/3,261.83 = 1,315.71/x
3. Step 3: Cross multiply
   2,363.63x = 3,261.83 × 1,315.71
4. Step 4: Simplify right side
   2,363.63x = 4,291,615.77
5. Step 5: Solve for x
   x = 4,291,615.77/2,363.63
6. Step 6: Final answer
   x = 1,815.69