Finding the Fourth Proportional to 5,092.60, 7,027.72 and 2,854.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,092.60 : 7,027.72 = 2,854.56 : x
2. Step 2: Convert to fraction form
   5,092.60/7,027.72 = 2,854.56/x
3. Step 3: Cross multiply
   5,092.60x = 7,027.72 × 2,854.56
4. Step 4: Simplify right side
   5,092.60x = 20,061,048.40
5. Step 5: Solve for x
   x = 20,061,048.40/5,092.60
6. Step 6: Final answer
   x = 3,939.25