Finding the Fourth Proportional to 2,581.81, 3,869.58 and 1,192.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,581.81 : 3,869.58 = 1,192.25 : x
2. Step 2: Convert to fraction form
   2,581.81/3,869.58 = 1,192.25/x
3. Step 3: Cross multiply
   2,581.81x = 3,869.58 × 1,192.25
4. Step 4: Simplify right side
   2,581.81x = 4,613,506.76
5. Step 5: Solve for x
   x = 4,613,506.76/2,581.81
6. Step 6: Final answer
   x = 1,786.93