Finding the Fourth Proportional to 1,610.67, 2,417.94 and 1,340.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,610.67 : 2,417.94 = 1,340.04 : x
2. Step 2: Convert to fraction form
   1,610.67/2,417.94 = 1,340.04/x
3. Step 3: Cross multiply
   1,610.67x = 2,417.94 × 1,340.04
4. Step 4: Simplify right side
   1,610.67x = 3,240,136.32
5. Step 5: Solve for x
   x = 3,240,136.32/1,610.67
6. Step 6: Final answer
   x = 2,011.67