Finding the Fourth Proportional to 2,054.14, 3,076.32 and 1,128.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,054.14 : 3,076.32 = 1,128.34 : x
2. Step 2: Convert to fraction form
   2,054.14/3,076.32 = 1,128.34/x
3. Step 3: Cross multiply
   2,054.14x = 3,076.32 × 1,128.34
4. Step 4: Simplify right side
   2,054.14x = 3,471,134.91
5. Step 5: Solve for x
   x = 3,471,134.91/2,054.14
6. Step 6: Final answer
   x = 1,689.82