Finding the Fourth Proportional to 2,054.30, 2,834.97 and 1,170.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.30 : 2,834.97 = 1,170.05 : x
2. Step 2: Convert to fraction form
   2,054.30/2,834.97 = 1,170.05/x
3. Step 3: Cross multiply
   2,054.30x = 2,834.97 × 1,170.05
4. Step 4: Simplify right side
   2,054.30x = 3,317,056.65
5. Step 5: Solve for x
   x = 3,317,056.65/2,054.30
6. Step 6: Final answer
   x = 1,614.69