Finding the Fourth Proportional to 2,199.94, 3,036.18 and 1,361.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,199.94 : 3,036.18 = 1,361.20 : x
2. Step 2: Convert to fraction form
   2,199.94/3,036.18 = 1,361.20/x
3. Step 3: Cross multiply
   2,199.94x = 3,036.18 × 1,361.20
4. Step 4: Simplify right side
   2,199.94x = 4,132,848.22
5. Step 5: Solve for x
   x = 4,132,848.22/2,199.94
6. Step 6: Final answer
   x = 1,878.62