Finding the Fourth Proportional to 3,659.07, 5,049.52 and 1,980.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,659.07 : 5,049.52 = 1,980.49 : x
2. Step 2: Convert to fraction form
   3,659.07/5,049.52 = 1,980.49/x
3. Step 3: Cross multiply
   3,659.07x = 5,049.52 × 1,980.49
4. Step 4: Simplify right side
   3,659.07x = 10,000,541.10
5. Step 5: Solve for x
   x = 10,000,541.10/3,659.07
6. Step 6: Final answer
   x = 2,733.09