Finding the Fourth Proportional to 2,097.03, 3,142.46 and 1,055.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097.03 : 3,142.46 = 1,055.60 : x
2. Step 2: Convert to fraction form
   2,097.03/3,142.46 = 1,055.60/x
3. Step 3: Cross multiply
   2,097.03x = 3,142.46 × 1,055.60
4. Step 4: Simplify right side
   2,097.03x = 3,317,180.78
5. Step 5: Solve for x
   x = 3,317,180.78/2,097.03
6. Step 6: Final answer
   x = 1,581.85