Finding the Fourth Proportional to 2,079.69, 3,121.58 and 1,530.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.69 : 3,121.58 = 1,530.33 : x
2. Step 2: Convert to fraction form
   2,079.69/3,121.58 = 1,530.33/x
3. Step 3: Cross multiply
   2,079.69x = 3,121.58 × 1,530.33
4. Step 4: Simplify right side
   2,079.69x = 4,777,047.52
5. Step 5: Solve for x
   x = 4,777,047.52/2,079.69
6. Step 6: Final answer
   x = 2,297.00