Finding the Fourth Proportional to 1,851.48, 2,772.72 and 1,200.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.48 : 2,772.72 = 1,200.24 : x
2. Step 2: Convert to fraction form
   1,851.48/2,772.72 = 1,200.24/x
3. Step 3: Cross multiply
   1,851.48x = 2,772.72 × 1,200.24
4. Step 4: Simplify right side
   1,851.48x = 3,327,929.45
5. Step 5: Solve for x
   x = 3,327,929.45/1,851.48
6. Step 6: Final answer
   x = 1,797.44