Finding the Fourth Proportional to 3,390.84, 5,087.52 and 1,082.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,390.84 : 5,087.52 = 1,082.52 : x
2. Step 2: Convert to fraction form
   3,390.84/5,087.52 = 1,082.52/x
3. Step 3: Cross multiply
   3,390.84x = 5,087.52 × 1,082.52
4. Step 4: Simplify right side
   3,390.84x = 5,507,342.15
5. Step 5: Solve for x
   x = 5,507,342.15/3,390.84
6. Step 6: Final answer
   x = 1,624.18