Finding the Fourth Proportional to 2,664.88, 3,677.68 and 1,485.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,664.88 : 3,677.68 = 1,485.92 : x
2. Step 2: Convert to fraction form
   2,664.88/3,677.68 = 1,485.92/x
3. Step 3: Cross multiply
   2,664.88x = 3,677.68 × 1,485.92
4. Step 4: Simplify right side
   2,664.88x = 5,464,738.27
5. Step 5: Solve for x
   x = 5,464,738.27/2,664.88
6. Step 6: Final answer
   x = 2,050.65