Finding the Fourth Proportional to 2,308.34, 3,185.76 and 1,424.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.34 : 3,185.76 = 1,424.12 : x
2. Step 2: Convert to fraction form
   2,308.34/3,185.76 = 1,424.12/x
3. Step 3: Cross multiply
   2,308.34x = 3,185.76 × 1,424.12
4. Step 4: Simplify right side
   2,308.34x = 4,536,904.53
5. Step 5: Solve for x
   x = 4,536,904.53/2,308.34
6. Step 6: Final answer
   x = 1,965.44