Finding the Fourth Proportional to 5,096.28, 7,032.80 and 2,858.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,096.28 : 7,032.80 = 2,858.72 : x
2. Step 2: Convert to fraction form
   5,096.28/7,032.80 = 2,858.72/x
3. Step 3: Cross multiply
   5,096.28x = 7,032.80 × 2,858.72
4. Step 4: Simplify right side
   5,096.28x = 20,104,806.02
5. Step 5: Solve for x
   x = 20,104,806.02/5,096.28
6. Step 6: Final answer
   x = 3,945.00