Finding the Fourth Proportional to 2,298.80, 3,172.41 and 1,304.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.80 : 3,172.41 = 1,304.03 : x
2. Step 2: Convert to fraction form
   2,298.80/3,172.41 = 1,304.03/x
3. Step 3: Cross multiply
   2,298.80x = 3,172.41 × 1,304.03
4. Step 4: Simplify right side
   2,298.80x = 4,136,917.81
5. Step 5: Solve for x
   x = 4,136,917.81/2,298.80
6. Step 6: Final answer
   x = 1,799.60