Finding the Fourth Proportional to 5,090.88, 7,025.22 and 2,852.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,090.88 : 7,025.22 = 2,852.56 : x
2. Step 2: Convert to fraction form
   5,090.88/7,025.22 = 2,852.56/x
3. Step 3: Cross multiply
   5,090.88x = 7,025.22 × 2,852.56
4. Step 4: Simplify right side
   5,090.88x = 20,039,861.56
5. Step 5: Solve for x
   x = 20,039,861.56/5,090.88
6. Step 6: Final answer
   x = 3,936.42