Finding the Fourth Proportional to 2,298.18, 3,171.69 and 1,303.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.18 : 3,171.69 = 1,303.77 : x
2. Step 2: Convert to fraction form
   2,298.18/3,171.69 = 1,303.77/x
3. Step 3: Cross multiply
   2,298.18x = 3,171.69 × 1,303.77
4. Step 4: Simplify right side
   2,298.18x = 4,135,154.27
5. Step 5: Solve for x
   x = 4,135,154.27/2,298.18
6. Step 6: Final answer
   x = 1,799.32