Finding the Fourth Proportional to 2,309.69, 3,463.11 and 922.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.69 : 3,463.11 = 922.76 : x
2. Step 2: Convert to fraction form
   2,309.69/3,463.11 = 922.76/x
3. Step 3: Cross multiply
   2,309.69x = 3,463.11 × 922.76
4. Step 4: Simplify right side
   2,309.69x = 3,195,628.04
5. Step 5: Solve for x
   x = 3,195,628.04/2,309.69
6. Step 6: Final answer
   x = 1,383.58