Finding the Fourth Proportional to 2,104.72, 2,904.77 and 1,265.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.72 : 2,904.77 = 1,265.86 : x
2. Step 2: Convert to fraction form
   2,104.72/2,904.77 = 1,265.86/x
3. Step 3: Cross multiply
   2,104.72x = 2,904.77 × 1,265.86
4. Step 4: Simplify right side
   2,104.72x = 3,677,032.15
5. Step 5: Solve for x
   x = 3,677,032.15/2,104.72
6. Step 6: Final answer
   x = 1,747.05