Finding the Fourth Proportional to 2,402.09, 3,314.61 and 1,354.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.09 : 3,314.61 = 1,354.16 : x
2. Step 2: Convert to fraction form
   2,402.09/3,314.61 = 1,354.16/x
3. Step 3: Cross multiply
   2,402.09x = 3,314.61 × 1,354.16
4. Step 4: Simplify right side
   2,402.09x = 4,488,495.70
5. Step 5: Solve for x
   x = 4,488,495.70/2,402.09
6. Step 6: Final answer
   x = 1,868.58