Finding the Fourth Proportional to 5,134.52, 7,085.39 and 2,896.39

Step by Step Solution

1. Step 1: Write the proportion equation
   5,134.52 : 7,085.39 = 2,896.39 : x
2. Step 2: Convert to fraction form
   5,134.52/7,085.39 = 2,896.39/x
3. Step 3: Cross multiply
   5,134.52x = 7,085.39 × 2,896.39
4. Step 4: Simplify right side
   5,134.52x = 20,522,045.50
5. Step 5: Solve for x
   x = 20,522,045.50/5,134.52
6. Step 6: Final answer
   x = 3,996.88