Finding the Fourth Proportional to 3,388.53, 5,082.96 and 1,050.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,388.53 : 5,082.96 = 1,050.15 : x
2. Step 2: Convert to fraction form
   3,388.53/5,082.96 = 1,050.15/x
3. Step 3: Cross multiply
   3,388.53x = 5,082.96 × 1,050.15
4. Step 4: Simplify right side
   3,388.53x = 5,337,870.44
5. Step 5: Solve for x
   x = 5,337,870.44/3,388.53
6. Step 6: Final answer
   x = 1,575.28