Finding the Fourth Proportional to 2,661.76, 3,673.79 and 1,599.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,661.76 : 3,673.79 = 1,599.57 : x
2. Step 2: Convert to fraction form
   2,661.76/3,673.79 = 1,599.57/x
3. Step 3: Cross multiply
   2,661.76x = 3,673.79 × 1,599.57
4. Step 4: Simplify right side
   2,661.76x = 5,876,484.27
5. Step 5: Solve for x
   x = 5,876,484.27/2,661.76
6. Step 6: Final answer
   x = 2,207.74