Finding the Fourth Proportional to 1,891.99, 2,839.38 and 955.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,891.99 : 2,839.38 = 955.84 : x
2. Step 2: Convert to fraction form
   1,891.99/2,839.38 = 955.84/x
3. Step 3: Cross multiply
   1,891.99x = 2,839.38 × 955.84
4. Step 4: Simplify right side
   1,891.99x = 2,713,978.78
5. Step 5: Solve for x
   x = 2,713,978.78/1,891.99
6. Step 6: Final answer
   x = 1,434.46