Finding the Fourth Proportional to 1,899.33, 2,847.30 and 1,022.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,899.33 : 2,847.30 = 1,022.31 : x
2. Step 2: Convert to fraction form
   1,899.33/2,847.30 = 1,022.31/x
3. Step 3: Cross multiply
   1,899.33x = 2,847.30 × 1,022.31
4. Step 4: Simplify right side
   1,899.33x = 2,910,823.26
5. Step 5: Solve for x
   x = 2,910,823.26/1,899.33
6. Step 6: Final answer
   x = 1,532.55