Finding the Fourth Proportional to 2,205.30, 3,042.81 and 1,260.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205.30 : 3,042.81 = 1,260.93 : x
2. Step 2: Convert to fraction form
   2,205.30/3,042.81 = 1,260.93/x
3. Step 3: Cross multiply
   2,205.30x = 3,042.81 × 1,260.93
4. Step 4: Simplify right side
   2,205.30x = 3,836,770.41
5. Step 5: Solve for x
   x = 3,836,770.41/2,205.30
6. Step 6: Final answer
   x = 1,739.80