Finding the Fourth Proportional to 2,089.68, 3,129.69 and 1,046.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.68 : 3,129.69 = 1,046.46 : x
2. Step 2: Convert to fraction form
   2,089.68/3,129.69 = 1,046.46/x
3. Step 3: Cross multiply
   2,089.68x = 3,129.69 × 1,046.46
4. Step 4: Simplify right side
   2,089.68x = 3,275,095.40
5. Step 5: Solve for x
   x = 3,275,095.40/2,089.68
6. Step 6: Final answer
   x = 1,567.27