Finding the Fourth Proportional to 2,308.15, 3,463.24 and 1,431.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.15 : 3,463.24 = 1,431.29 : x
2. Step 2: Convert to fraction form
   2,308.15/3,463.24 = 1,431.29/x
3. Step 3: Cross multiply
   2,308.15x = 3,463.24 × 1,431.29
4. Step 4: Simplify right side
   2,308.15x = 4,956,889.06
5. Step 5: Solve for x
   x = 4,956,889.06/2,308.15
6. Step 6: Final answer
   x = 2,147.56