Finding the Fourth Proportional to 2,665.76, 3,704.28 and 2,633.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,665.76 : 3,704.28 = 2,633.12 : x
2. Step 2: Convert to fraction form
   2,665.76/3,704.28 = 2,633.12/x
3. Step 3: Cross multiply
   2,665.76x = 3,704.28 × 2,633.12
4. Step 4: Simplify right side
   2,665.76x = 9,753,813.75
5. Step 5: Solve for x
   x = 9,753,813.75/2,665.76
6. Step 6: Final answer
   x = 3,658.92