Finding the Fourth Proportional to 2,261, 3,119.98 and 1,265.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261 : 3,119.98 = 1,265.96 : x
2. Step 2: Convert to fraction form
   2,261/3,119.98 = 1,265.96/x
3. Step 3: Cross multiply
   2,261x = 3,119.98 × 1,265.96
4. Step 4: Simplify right side
   2,261x = 3,949,769.88
5. Step 5: Solve for x
   x = 3,949,769.88/2,261
6. Step 6: Final answer
   x = 1,746.91