Finding the Fourth Proportional to 3,528.01, 4,870.86 and 2,271.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,528.01 : 4,870.86 = 2,271.25 : x
2. Step 2: Convert to fraction form
   3,528.01/4,870.86 = 2,271.25/x
3. Step 3: Cross multiply
   3,528.01x = 4,870.86 × 2,271.25
4. Step 4: Simplify right side
   3,528.01x = 11,062,940.78
5. Step 5: Solve for x
   x = 11,062,940.78/3,528.01
6. Step 6: Final answer
   x = 3,135.75