Finding the Fourth Proportional to 2,054.55, 3,082.53 and 1,128.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.55 : 3,082.53 = 1,128.93 : x
2. Step 2: Convert to fraction form
   2,054.55/3,082.53 = 1,128.93/x
3. Step 3: Cross multiply
   2,054.55x = 3,082.53 × 1,128.93
4. Step 4: Simplify right side
   2,054.55x = 3,479,960.59
5. Step 5: Solve for x
   x = 3,479,960.59/2,054.55
6. Step 6: Final answer
   x = 1,693.78