Finding the Fourth Proportional to 1,606.57, 2,411.22 and 1,145.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,606.57 : 2,411.22 = 1,145.48 : x
2. Step 2: Convert to fraction form
   1,606.57/2,411.22 = 1,145.48/x
3. Step 3: Cross multiply
   1,606.57x = 2,411.22 × 1,145.48
4. Step 4: Simplify right side
   1,606.57x = 2,761,992.23
5. Step 5: Solve for x
   x = 2,761,992.23/1,606.57
6. Step 6: Final answer
   x = 1,719.19