Finding the Fourth Proportional to 2,053.80, 2,834.28 and 1,169.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.80 : 2,834.28 = 1,169.55 : x
2. Step 2: Convert to fraction form
   2,053.80/2,834.28 = 1,169.55/x
3. Step 3: Cross multiply
   2,053.80x = 2,834.28 × 1,169.55
4. Step 4: Simplify right side
   2,053.80x = 3,314,832.17
5. Step 5: Solve for x
   x = 3,314,832.17/2,053.80
6. Step 6: Final answer
   x = 1,614.00