Finding the Fourth Proportional to 5,085.78, 7,019.01 and 3,096.63

Step by Step Solution

1. Step 1: Write the proportion equation
   5,085.78 : 7,019.01 = 3,096.63 : x
2. Step 2: Convert to fraction form
   5,085.78/7,019.01 = 3,096.63/x
3. Step 3: Cross multiply
   5,085.78x = 7,019.01 × 3,096.63
4. Step 4: Simplify right side
   5,085.78x = 21,735,276.94
5. Step 5: Solve for x
   x = 21,735,276.94/5,085.78
6. Step 6: Final answer
   x = 4,273.74