Finding the Fourth Proportional to 2,610.94, 3,914.66 and 1,345.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.94 : 3,914.66 = 1,345.31 : x
2. Step 2: Convert to fraction form
   2,610.94/3,914.66 = 1,345.31/x
3. Step 3: Cross multiply
   2,610.94x = 3,914.66 × 1,345.31
4. Step 4: Simplify right side
   2,610.94x = 5,266,411.67
5. Step 5: Solve for x
   x = 5,266,411.67/2,610.94
6. Step 6: Final answer
   x = 2,017.06