Finding the Fourth Proportional to 2,308.19, 3,462.98 and 1,076.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.19 : 3,462.98 = 1,076.31 : x
2. Step 2: Convert to fraction form
   2,308.19/3,462.98 = 1,076.31/x
3. Step 3: Cross multiply
   2,308.19x = 3,462.98 × 1,076.31
4. Step 4: Simplify right side
   2,308.19x = 3,727,234.62
5. Step 5: Solve for x
   x = 3,727,234.62/2,308.19
6. Step 6: Final answer
   x = 1,614.79