Finding the Fourth Proportional to 2,094.86, 3,142.98 and 1,120.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.86 : 3,142.98 = 1,120.74 : x
2. Step 2: Convert to fraction form
   2,094.86/3,142.98 = 1,120.74/x
3. Step 3: Cross multiply
   2,094.86x = 3,142.98 × 1,120.74
4. Step 4: Simplify right side
   2,094.86x = 3,522,463.41
5. Step 5: Solve for x
   x = 3,522,463.41/2,094.86
6. Step 6: Final answer
   x = 1,681.48