Finding the Fourth Proportional to 2,231.04, 3,076.01 and 1,672.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231.04 : 3,076.01 = 1,672.35 : x
2. Step 2: Convert to fraction form
   2,231.04/3,076.01 = 1,672.35/x
3. Step 3: Cross multiply
   2,231.04x = 3,076.01 × 1,672.35
4. Step 4: Simplify right side
   2,231.04x = 5,144,151.70
5. Step 5: Solve for x
   x = 5,144,151.70/2,231.04
6. Step 6: Final answer
   x = 2,305.72