Finding the Fourth Proportional to 2,402.76, 3,315.54 and 1,354.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.76 : 3,315.54 = 1,354.62 : x
2. Step 2: Convert to fraction form
   2,402.76/3,315.54 = 1,354.62/x
3. Step 3: Cross multiply
   2,402.76x = 3,315.54 × 1,354.62
4. Step 4: Simplify right side
   2,402.76x = 4,491,296.79
5. Step 5: Solve for x
   x = 4,491,296.79/2,402.76
6. Step 6: Final answer
   x = 1,869.22