Finding the Fourth Proportional to 1,900.81, 2,852.41 and 1,885.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.81 : 2,852.41 = 1,885.14 : x
2. Step 2: Convert to fraction form
   1,900.81/2,852.41 = 1,885.14/x
3. Step 3: Cross multiply
   1,900.81x = 2,852.41 × 1,885.14
4. Step 4: Simplify right side
   1,900.81x = 5,377,196.31
5. Step 5: Solve for x
   x = 5,377,196.31/1,900.81
6. Step 6: Final answer
   x = 2,828.90