Finding the Fourth Proportional to 2,298.31, 3,171.67 and 1,303.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.31 : 3,171.67 = 1,303.79 : x
2. Step 2: Convert to fraction form
   2,298.31/3,171.67 = 1,303.79/x
3. Step 3: Cross multiply
   2,298.31x = 3,171.67 × 1,303.79
4. Step 4: Simplify right side
   2,298.31x = 4,135,172.51
5. Step 5: Solve for x
   x = 4,135,172.51/2,298.31
6. Step 6: Final answer
   x = 1,799.23