Finding the Fourth Proportional to 3,656.89, 5,485.88 and 1,059.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.89 : 5,485.88 = 1,059.49 : x
2. Step 2: Convert to fraction form
   3,656.89/5,485.88 = 1,059.49/x
3. Step 3: Cross multiply
   3,656.89x = 5,485.88 × 1,059.49
4. Step 4: Simplify right side
   3,656.89x = 5,812,235.00
5. Step 5: Solve for x
   x = 5,812,235.00/3,656.89
6. Step 6: Final answer
   x = 1,589.39