Finding the Fourth Proportional to 2,765.18, 3,815.78 and 1,523.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,765.18 : 3,815.78 = 1,523.18 : x
2. Step 2: Convert to fraction form
   2,765.18/3,815.78 = 1,523.18/x
3. Step 3: Cross multiply
   2,765.18x = 3,815.78 × 1,523.18
4. Step 4: Simplify right side
   2,765.18x = 5,812,119.78
5. Step 5: Solve for x
   x = 5,812,119.78/2,765.18
6. Step 6: Final answer
   x = 2,101.90