Finding the Fourth Proportional to 2,402.16, 3,314.88 and 1,354.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,402.16 : 3,314.88 = 1,354.32 : x
2. Step 2: Convert to fraction form
   2,402.16/3,314.88 = 1,354.32/x
3. Step 3: Cross multiply
   2,402.16x = 3,314.88 × 1,354.32
4. Step 4: Simplify right side
   2,402.16x = 4,489,408.28
5. Step 5: Solve for x
   x = 4,489,408.28/2,402.16
6. Step 6: Final answer
   x = 1,868.90