Finding the Fourth Proportional to 3,815.82, 5,723.76 and 1,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,815.82 : 5,723.76 = 1,867.50 : x
2. Step 2: Convert to fraction form
   3,815.82/5,723.76 = 1,867.50/x
3. Step 3: Cross multiply
   3,815.82x = 5,723.76 × 1,867.50
4. Step 4: Simplify right side
   3,815.82x = 10,689,121.80
5. Step 5: Solve for x
   x = 10,689,121.80/3,815.82
6. Step 6: Final answer
   x = 2,801.26