Finding the Fourth Proportional to 3,531.05, 4,870.23 and 2,271.23

Step by Step Solution

1. Step 1: Write the proportion equation
   3,531.05 : 4,870.23 = 2,271.23 : x
2. Step 2: Convert to fraction form
   3,531.05/4,870.23 = 2,271.23/x
3. Step 3: Cross multiply
   3,531.05x = 4,870.23 × 2,271.23
4. Step 4: Simplify right side
   3,531.05x = 11,061,412.48
5. Step 5: Solve for x
   x = 11,061,412.48/3,531.05
6. Step 6: Final answer
   x = 3,132.61