Finding the Fourth Proportional to 2,402.69, 3,315.71 and 1,298.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.69 : 3,315.71 = 1,298.69 : x
2. Step 2: Convert to fraction form
   2,402.69/3,315.71 = 1,298.69/x
3. Step 3: Cross multiply
   2,402.69x = 3,315.71 × 1,298.69
4. Step 4: Simplify right side
   2,402.69x = 4,306,079.42
5. Step 5: Solve for x
   x = 4,306,079.42/2,402.69
6. Step 6: Final answer
   x = 1,792.19