Finding the Fourth Proportional to 2,581.99, 3,870.65 and 937.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.99 : 3,870.65 = 937.38 : x
2. Step 2: Convert to fraction form
   2,581.99/3,870.65 = 937.38/x
3. Step 3: Cross multiply
   2,581.99x = 3,870.65 × 937.38
4. Step 4: Simplify right side
   2,581.99x = 3,628,286.76
5. Step 5: Solve for x
   x = 3,628,286.76/2,581.99
6. Step 6: Final answer
   x = 1,405.23