Finding the Fourth Proportional to 2,354.50, 3,529.06 and 1,120.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,354.50 : 3,529.06 = 1,120.16 : x
2. Step 2: Convert to fraction form
   2,354.50/3,529.06 = 1,120.16/x
3. Step 3: Cross multiply
   2,354.50x = 3,529.06 × 1,120.16
4. Step 4: Simplify right side
   2,354.50x = 3,953,111.85
5. Step 5: Solve for x
   x = 3,953,111.85/2,354.50
6. Step 6: Final answer
   x = 1,678.96