Finding the Fourth Proportional to 2,298.47, 3,171.90 and 1,303.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.47 : 3,171.90 = 1,303.76 : x
2. Step 2: Convert to fraction form
   2,298.47/3,171.90 = 1,303.76/x
3. Step 3: Cross multiply
   2,298.47x = 3,171.90 × 1,303.76
4. Step 4: Simplify right side
   2,298.47x = 4,135,396.34
5. Step 5: Solve for x
   x = 4,135,396.34/2,298.47
6. Step 6: Final answer
   x = 1,799.20