Finding the Fourth Proportional to 2,402.38, 3,314.91 and 1,354.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.38 : 3,314.91 = 1,354.42 : x
2. Step 2: Convert to fraction form
   2,402.38/3,314.91 = 1,354.42/x
3. Step 3: Cross multiply
   2,402.38x = 3,314.91 × 1,354.42
4. Step 4: Simplify right side
   2,402.38x = 4,489,780.40
5. Step 5: Solve for x
   x = 4,489,780.40/2,402.38
6. Step 6: Final answer
   x = 1,868.89