Finding the Fourth Proportional to 2,610.02, 3,601.87 and 1,431.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.02 : 3,601.87 = 1,431.07 : x
2. Step 2: Convert to fraction form
   2,610.02/3,601.87 = 1,431.07/x
3. Step 3: Cross multiply
   2,610.02x = 3,601.87 × 1,431.07
4. Step 4: Simplify right side
   2,610.02x = 5,154,529.03
5. Step 5: Solve for x
   x = 5,154,529.03/2,610.02
6. Step 6: Final answer
   x = 1,974.90