Finding the Fourth Proportional to 2,298.05, 3,171.12 and 1,303.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.05 : 3,171.12 = 1,303.49 : x
2. Step 2: Convert to fraction form
   2,298.05/3,171.12 = 1,303.49/x
3. Step 3: Cross multiply
   2,298.05x = 3,171.12 × 1,303.49
4. Step 4: Simplify right side
   2,298.05x = 4,133,537.25
5. Step 5: Solve for x
   x = 4,133,537.25/2,298.05
6. Step 6: Final answer
   x = 1,798.72