Finding the Fourth Proportional to 1,899.36, 2,846.94 and 1,281.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.36 : 2,846.94 = 1,281.53 : x
2. Step 2: Convert to fraction form
   1,899.36/2,846.94 = 1,281.53/x
3. Step 3: Cross multiply
   1,899.36x = 2,846.94 × 1,281.53
4. Step 4: Simplify right side
   1,899.36x = 3,648,441.33
5. Step 5: Solve for x
   x = 3,648,441.33/1,899.36
6. Step 6: Final answer
   x = 1,920.88