Finding the Fourth Proportional to 5,131.92, 7,082.04 and 2,774.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.92 : 7,082.04 = 2,774.06 : x
2. Step 2: Convert to fraction form
   5,131.92/7,082.04 = 2,774.06/x
3. Step 3: Cross multiply
   5,131.92x = 7,082.04 × 2,774.06
4. Step 4: Simplify right side
   5,131.92x = 19,646,003.88
5. Step 5: Solve for x
   x = 19,646,003.88/5,131.92
6. Step 6: Final answer
   x = 3,828.20