Finding the Fourth Proportional to 2,070.36, 2,856.74 and 1,174.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.36 : 2,856.74 = 1,174.10 : x
2. Step 2: Convert to fraction form
   2,070.36/2,856.74 = 1,174.10/x
3. Step 3: Cross multiply
   2,070.36x = 2,856.74 × 1,174.10
4. Step 4: Simplify right side
   2,070.36x = 3,354,078.28
5. Step 5: Solve for x
   x = 3,354,078.28/2,070.36
6. Step 6: Final answer
   x = 1,620.05