Finding the Fourth Proportional to 3,570.52, 5,355.25 and 2,090.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570.52 : 5,355.25 = 2,090.42 : x
2. Step 2: Convert to fraction form
   3,570.52/5,355.25 = 2,090.42/x
3. Step 3: Cross multiply
   3,570.52x = 5,355.25 × 2,090.42
4. Step 4: Simplify right side
   3,570.52x = 11,194,711.25
5. Step 5: Solve for x
   x = 11,194,711.25/3,570.52
6. Step 6: Final answer
   x = 3,135.32