Finding the Fourth Proportional to 2,309.89, 3,462.91 and 1,076.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.89 : 3,462.91 = 1,076.67 : x
2. Step 2: Convert to fraction form
   2,309.89/3,462.91 = 1,076.67/x
3. Step 3: Cross multiply
   2,309.89x = 3,462.91 × 1,076.67
4. Step 4: Simplify right side
   2,309.89x = 3,728,411.31
5. Step 5: Solve for x
   x = 3,728,411.31/2,309.89
6. Step 6: Final answer
   x = 1,614.11