Finding the Fourth Proportional to 2,402.47, 3,315.41 and 1,298.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.47 : 3,315.41 = 1,298.47 : x
2. Step 2: Convert to fraction form
   2,402.47/3,315.41 = 1,298.47/x
3. Step 3: Cross multiply
   2,402.47x = 3,315.41 × 1,298.47
4. Step 4: Simplify right side
   2,402.47x = 4,304,960.42
5. Step 5: Solve for x
   x = 4,304,960.42/2,402.47
6. Step 6: Final answer
   x = 1,791.89