Finding the Fourth Proportional to 2,093.62, 3,142.05 and 1,120.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.62 : 3,142.05 = 1,120.54 : x
2. Step 2: Convert to fraction form
   2,093.62/3,142.05 = 1,120.54/x
3. Step 3: Cross multiply
   2,093.62x = 3,142.05 × 1,120.54
4. Step 4: Simplify right side
   2,093.62x = 3,520,792.71
5. Step 5: Solve for x
   x = 3,520,792.71/2,093.62
6. Step 6: Final answer
   x = 1,681.68