Finding the Fourth Proportional to 2,870.72, 4,295.81 and 2,250.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.72 : 4,295.81 = 2,250.16 : x
2. Step 2: Convert to fraction form
   2,870.72/4,295.81 = 2,250.16/x
3. Step 3: Cross multiply
   2,870.72x = 4,295.81 × 2,250.16
4. Step 4: Simplify right side
   2,870.72x = 9,666,259.83
5. Step 5: Solve for x
   x = 9,666,259.83/2,870.72
6. Step 6: Final answer
   x = 3,367.19