Finding the Fourth Proportional to 2,354.96, 3,530.10 and 1,120.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.96 : 3,530.10 = 1,120.16 : x
2. Step 2: Convert to fraction form
   2,354.96/3,530.10 = 1,120.16/x
3. Step 3: Cross multiply
   2,354.96x = 3,530.10 × 1,120.16
4. Step 4: Simplify right side
   2,354.96x = 3,954,276.82
5. Step 5: Solve for x
   x = 3,954,276.82/2,354.96
6. Step 6: Final answer
   x = 1,679.13