Finding the Fourth Proportional to 2,308.47, 3,186.81 and 1,424.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.47 : 3,186.81 = 1,424.76 : x
2. Step 2: Convert to fraction form
   2,308.47/3,186.81 = 1,424.76/x
3. Step 3: Cross multiply
   2,308.47x = 3,186.81 × 1,424.76
4. Step 4: Simplify right side
   2,308.47x = 4,540,439.42
5. Step 5: Solve for x
   x = 4,540,439.42/2,308.47
6. Step 6: Final answer
   x = 1,966.86