Finding the Fourth Proportional to 2,309.69, 3,465.98 and 922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.69 : 3,465.98 = 922.82 : x
2. Step 2: Convert to fraction form
   2,309.69/3,465.98 = 922.82/x
3. Step 3: Cross multiply
   2,309.69x = 3,465.98 × 922.82
4. Step 4: Simplify right side
   2,309.69x = 3,198,453.72
5. Step 5: Solve for x
   x = 3,198,453.72/2,309.69
6. Step 6: Final answer
   x = 1,384.80