Finding the Fourth Proportional to 2,171.42, 3,253.45 and 1,551.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,171.42 : 3,253.45 = 1,551.97 : x
2. Step 2: Convert to fraction form
   2,171.42/3,253.45 = 1,551.97/x
3. Step 3: Cross multiply
   2,171.42x = 3,253.45 × 1,551.97
4. Step 4: Simplify right side
   2,171.42x = 5,049,256.80
5. Step 5: Solve for x
   x = 5,049,256.80/2,171.42
6. Step 6: Final answer
   x = 2,325.32