Finding the Fourth Proportional to 1,608.62, 2,216.34 and 1,342.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608.62 : 2,216.34 = 1,342.10 : x
2. Step 2: Convert to fraction form
   1,608.62/2,216.34 = 1,342.10/x
3. Step 3: Cross multiply
   1,608.62x = 2,216.34 × 1,342.10
4. Step 4: Simplify right side
   1,608.62x = 2,974,538.83
5. Step 5: Solve for x
   x = 2,974,538.83/1,608.62
6. Step 6: Final answer
   x = 1,849.13