Finding the Fourth Proportional to 2,105.37, 2,905.29 and 1,265.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.37 : 2,905.29 = 1,265.88 : x
2. Step 2: Convert to fraction form
   2,105.37/2,905.29 = 1,265.88/x
3. Step 3: Cross multiply
   2,105.37x = 2,905.29 × 1,265.88
4. Step 4: Simplify right side
   2,105.37x = 3,677,746.62
5. Step 5: Solve for x
   x = 3,677,746.62/2,105.37
6. Step 6: Final answer
   x = 1,746.84