Finding the Fourth Proportional to 2,251.32, 3,104.88 and 1,899

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251.32 : 3,104.88 = 1,899 : x
2. Step 2: Convert to fraction form
   2,251.32/3,104.88 = 1,899/x
3. Step 3: Cross multiply
   2,251.32x = 3,104.88 × 1,899
4. Step 4: Simplify right side
   2,251.32x = 5,896,167.12
5. Step 5: Solve for x
   x = 5,896,167.12/2,251.32
6. Step 6: Final answer
   x = 2,618.98