Finding the Fourth Proportional to 2,230.51, 3,076.24 and 1,672.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,230.51 : 3,076.24 = 1,672.31 : x
2. Step 2: Convert to fraction form
   2,230.51/3,076.24 = 1,672.31/x
3. Step 3: Cross multiply
   2,230.51x = 3,076.24 × 1,672.31
4. Step 4: Simplify right side
   2,230.51x = 5,144,426.91
5. Step 5: Solve for x
   x = 5,144,426.91/2,230.51
6. Step 6: Final answer
   x = 2,306.39