Finding the Fourth Proportional to 2,807.52, 3,870 and 2,250.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,807.52 : 3,870 = 2,250.24 : x
2. Step 2: Convert to fraction form
   2,807.52/3,870 = 2,250.24/x
3. Step 3: Cross multiply
   2,807.52x = 3,870 × 2,250.24
4. Step 4: Simplify right side
   2,807.52x = 8,708,428.80
5. Step 5: Solve for x
   x = 8,708,428.80/2,807.52
6. Step 6: Final answer
   x = 3,101.82