Finding the Fourth Proportional to 5,132.31, 7,082.59 and 2,774.45

Step by Step Solution

1. Step 1: Write the proportion equation
   5,132.31 : 7,082.59 = 2,774.45 : x
2. Step 2: Convert to fraction form
   5,132.31/7,082.59 = 2,774.45/x
3. Step 3: Cross multiply
   5,132.31x = 7,082.59 × 2,774.45
4. Step 4: Simplify right side
   5,132.31x = 19,650,302.60
5. Step 5: Solve for x
   x = 19,650,302.60/5,132.31
6. Step 6: Final answer
   x = 3,828.74