Finding the Fourth Proportional to 2,402.28, 3,314.98 and 1,354.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.28 : 3,314.98 = 1,354.12 : x
2. Step 2: Convert to fraction form
   2,402.28/3,314.98 = 1,354.12/x
3. Step 3: Cross multiply
   2,402.28x = 3,314.98 × 1,354.12
4. Step 4: Simplify right side
   2,402.28x = 4,488,880.72
5. Step 5: Solve for x
   x = 4,488,880.72/2,402.28
6. Step 6: Final answer
   x = 1,868.59