Finding the Fourth Proportional to 2,402.71, 3,315.35 and 1,354.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.71 : 3,315.35 = 1,354.57 : x
2. Step 2: Convert to fraction form
   2,402.71/3,315.35 = 1,354.57/x
3. Step 3: Cross multiply
   2,402.71x = 3,315.35 × 1,354.57
4. Step 4: Simplify right side
   2,402.71x = 4,490,857.07
5. Step 5: Solve for x
   x = 4,490,857.07/2,402.71
6. Step 6: Final answer
   x = 1,869.08