Finding the Fourth Proportional to 2,764.67, 4,146.98 and 1,120.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,764.67 : 4,146.98 = 1,120.10 : x
2. Step 2: Convert to fraction form
   2,764.67/4,146.98 = 1,120.10/x
3. Step 3: Cross multiply
   2,764.67x = 4,146.98 × 1,120.10
4. Step 4: Simplify right side
   2,764.67x = 4,645,005.96
5. Step 5: Solve for x
   x = 4,645,005.96/2,764.67
6. Step 6: Final answer
   x = 1,680.13