Finding the Fourth Proportional to 3,659.55, 5,489.86 and 1,062.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.55 : 5,489.86 = 1,062.15 : x
2. Step 2: Convert to fraction form
   3,659.55/5,489.86 = 1,062.15/x
3. Step 3: Cross multiply
   3,659.55x = 5,489.86 × 1,062.15
4. Step 4: Simplify right side
   3,659.55x = 5,831,033.55
5. Step 5: Solve for x
   x = 5,831,033.55/3,659.55
6. Step 6: Final answer
   x = 1,593.38