Finding the Fourth Proportional to 1,851.40, 2,773.98 and 1,118.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.40 : 2,773.98 = 1,118.74 : x
2. Step 2: Convert to fraction form
   1,851.40/2,773.98 = 1,118.74/x
3. Step 3: Cross multiply
   1,851.40x = 2,773.98 × 1,118.74
4. Step 4: Simplify right side
   1,851.40x = 3,103,362.39
5. Step 5: Solve for x
   x = 3,103,362.39/1,851.40
6. Step 6: Final answer
   x = 1,676.22