Finding the Fourth Proportional to 3,659.77, 5,518.36 and 3,353.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.77 : 5,518.36 = 3,353.59 : x
2. Step 2: Convert to fraction form
   3,659.77/5,518.36 = 3,353.59/x
3. Step 3: Cross multiply
   3,659.77x = 5,518.36 × 3,353.59
4. Step 4: Simplify right side
   3,659.77x = 18,506,272.55
5. Step 5: Solve for x
   x = 18,506,272.55/3,659.77
6. Step 6: Final answer
   x = 5,056.68