Finding the Fourth Proportional to 2,231.01, 3,079.31 and 1,485

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.01 : 3,079.31 = 1,485 : x
2. Step 2: Convert to fraction form
   2,231.01/3,079.31 = 1,485/x
3. Step 3: Cross multiply
   2,231.01x = 3,079.31 × 1,485
4. Step 4: Simplify right side
   2,231.01x = 4,572,775.35
5. Step 5: Solve for x
   x = 4,572,775.35/2,231.01
6. Step 6: Final answer
   x = 2,049.64