Finding the Fourth Proportional to 2,447.72, 3,379.60 and 1,504.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.72 : 3,379.60 = 1,504.77 : x
2. Step 2: Convert to fraction form
   2,447.72/3,379.60 = 1,504.77/x
3. Step 3: Cross multiply
   2,447.72x = 3,379.60 × 1,504.77
4. Step 4: Simplify right side
   2,447.72x = 5,085,531.73
5. Step 5: Solve for x
   x = 5,085,531.73/2,447.72
6. Step 6: Final answer
   x = 2,077.66