Finding the Fourth Proportional to 2,054.42, 3,079.39 and 1,285.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.42 : 3,079.39 = 1,285.14 : x
2. Step 2: Convert to fraction form
   2,054.42/3,079.39 = 1,285.14/x
3. Step 3: Cross multiply
   2,054.42x = 3,079.39 × 1,285.14
4. Step 4: Simplify right side
   2,054.42x = 3,957,447.26
5. Step 5: Solve for x
   x = 3,957,447.26/2,054.42
6. Step 6: Final answer
   x = 1,926.31