Finding the Fourth Proportional to 2,309.69, 3,460.43 and 1,322.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,309.69 : 3,460.43 = 1,322.47 : x
2. Step 2: Convert to fraction form
   2,309.69/3,460.43 = 1,322.47/x
3. Step 3: Cross multiply
   2,309.69x = 3,460.43 × 1,322.47
4. Step 4: Simplify right side
   2,309.69x = 4,576,297.56
5. Step 5: Solve for x
   x = 4,576,297.56/2,309.69
6. Step 6: Final answer
   x = 1,981.35