Finding the Fourth Proportional to 2,053.87, 2,834.94 and 1,170.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.87 : 2,834.94 = 1,170.16 : x
2. Step 2: Convert to fraction form
   2,053.87/2,834.94 = 1,170.16/x
3. Step 3: Cross multiply
   2,053.87x = 2,834.94 × 1,170.16
4. Step 4: Simplify right side
   2,053.87x = 3,317,333.39
5. Step 5: Solve for x
   x = 3,317,333.39/2,053.87
6. Step 6: Final answer
   x = 1,615.16