Finding the Fourth Proportional to 3,679.42, 5,518.59 and 1,082.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,679.42 : 5,518.59 = 1,082.02 : x
2. Step 2: Convert to fraction form
   3,679.42/5,518.59 = 1,082.02/x
3. Step 3: Cross multiply
   3,679.42x = 5,518.59 × 1,082.02
4. Step 4: Simplify right side
   3,679.42x = 5,971,224.75
5. Step 5: Solve for x
   x = 5,971,224.75/3,679.42
6. Step 6: Final answer
   x = 1,622.87