Finding the Fourth Proportional to 2,402.12, 3,314.81 and 1,354.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.12 : 3,314.81 = 1,354.18 : x
2. Step 2: Convert to fraction form
   2,402.12/3,314.81 = 1,354.18/x
3. Step 3: Cross multiply
   2,402.12x = 3,314.81 × 1,354.18
4. Step 4: Simplify right side
   2,402.12x = 4,488,849.41
5. Step 5: Solve for x
   x = 4,488,849.41/2,402.12
6. Step 6: Final answer
   x = 1,868.70