Finding the Fourth Proportional to 2,123.62, 3,186.71 and 1,512.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.62 : 3,186.71 = 1,512.41 : x
2. Step 2: Convert to fraction form
   2,123.62/3,186.71 = 1,512.41/x
3. Step 3: Cross multiply
   2,123.62x = 3,186.71 × 1,512.41
4. Step 4: Simplify right side
   2,123.62x = 4,819,594.25
5. Step 5: Solve for x
   x = 4,819,594.25/2,123.62
6. Step 6: Final answer
   x = 2,269.52