Finding the Fourth Proportional to 2,089.69, 3,132.71 and 1,048.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,089.69 : 3,132.71 = 1,048.23 : x
2. Step 2: Convert to fraction form
   2,089.69/3,132.71 = 1,048.23/x
3. Step 3: Cross multiply
   2,089.69x = 3,132.71 × 1,048.23
4. Step 4: Simplify right side
   2,089.69x = 3,283,795.36
5. Step 5: Solve for x
   x = 3,283,795.36/2,089.69
6. Step 6: Final answer
   x = 1,571.43