Finding the Fourth Proportional to 2,055.31, 3,082.65 and 756.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,055.31 : 3,082.65 = 756.47 : x
2. Step 2: Convert to fraction form
   2,055.31/3,082.65 = 756.47/x
3. Step 3: Cross multiply
   2,055.31x = 3,082.65 × 756.47
4. Step 4: Simplify right side
   2,055.31x = 2,331,932.25
5. Step 5: Solve for x
   x = 2,331,932.25/2,055.31
6. Step 6: Final answer
   x = 1,134.59