Finding the Fourth Proportional to 2,298.05, 3,171.89 and 1,303.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.05 : 3,171.89 = 1,303.92 : x
2. Step 2: Convert to fraction form
   2,298.05/3,171.89 = 1,303.92/x
3. Step 3: Cross multiply
   2,298.05x = 3,171.89 × 1,303.92
4. Step 4: Simplify right side
   2,298.05x = 4,135,890.81
5. Step 5: Solve for x
   x = 4,135,890.81/2,298.05
6. Step 6: Final answer
   x = 1,799.74