Finding the Fourth Proportional to 2,298.96, 3,172.68 and 1,304.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.96 : 3,172.68 = 1,304.22 : x
2. Step 2: Convert to fraction form
   2,298.96/3,172.68 = 1,304.22/x
3. Step 3: Cross multiply
   2,298.96x = 3,172.68 × 1,304.22
4. Step 4: Simplify right side
   2,298.96x = 4,137,872.71
5. Step 5: Solve for x
   x = 4,137,872.71/2,298.96
6. Step 6: Final answer
   x = 1,799.89