Finding the Fourth Proportional to 2,610.11, 3,601.94 and 1,431.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.11 : 3,601.94 = 1,431.18 : x
2. Step 2: Convert to fraction form
   2,610.11/3,601.94 = 1,431.18/x
3. Step 3: Cross multiply
   2,610.11x = 3,601.94 × 1,431.18
4. Step 4: Simplify right side
   2,610.11x = 5,155,017.33
5. Step 5: Solve for x
   x = 5,155,017.33/2,610.11
6. Step 6: Final answer
   x = 1,975.02