Finding the Fourth Proportional to 2,465.52, 3,699.38 and 1,311

Step by Step Solution

1. Step 1: Write the proportion equation
   2,465.52 : 3,699.38 = 1,311 : x
2. Step 2: Convert to fraction form
   2,465.52/3,699.38 = 1,311/x
3. Step 3: Cross multiply
   2,465.52x = 3,699.38 × 1,311
4. Step 4: Simplify right side
   2,465.52x = 4,849,887.18
5. Step 5: Solve for x
   x = 4,849,887.18/2,465.52
6. Step 6: Final answer
   x = 1,967.08