Finding the Fourth Proportional to 2,245.38, 3,099.03 and 1,871.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.38 : 3,099.03 = 1,871.76 : x
2. Step 2: Convert to fraction form
   2,245.38/3,099.03 = 1,871.76/x
3. Step 3: Cross multiply
   2,245.38x = 3,099.03 × 1,871.76
4. Step 4: Simplify right side
   2,245.38x = 5,800,640.39
5. Step 5: Solve for x
   x = 5,800,640.39/2,245.38
6. Step 6: Final answer
   x = 2,583.37