Finding the Fourth Proportional to 2,662.72, 3,990.84 and 1,504.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,662.72 : 3,990.84 = 1,504.96 : x
2. Step 2: Convert to fraction form
   2,662.72/3,990.84 = 1,504.96/x
3. Step 3: Cross multiply
   2,662.72x = 3,990.84 × 1,504.96
4. Step 4: Simplify right side
   2,662.72x = 6,006,054.57
5. Step 5: Solve for x
   x = 6,006,054.57/2,662.72
6. Step 6: Final answer
   x = 2,255.61