Finding the Fourth Proportional to 1,851.79, 2,772.18 and 1,119.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.79 : 2,772.18 = 1,119.15 : x
2. Step 2: Convert to fraction form
   1,851.79/2,772.18 = 1,119.15/x
3. Step 3: Cross multiply
   1,851.79x = 2,772.18 × 1,119.15
4. Step 4: Simplify right side
   1,851.79x = 3,102,485.25
5. Step 5: Solve for x
   x = 3,102,485.25/1,851.79
6. Step 6: Final answer
   x = 1,675.40