Finding the Fourth Proportional to 1,955.75, 2,698.89 and 1,071.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.75 : 2,698.89 = 1,071.53 : x
2. Step 2: Convert to fraction form
   1,955.75/2,698.89 = 1,071.53/x
3. Step 3: Cross multiply
   1,955.75x = 2,698.89 × 1,071.53
4. Step 4: Simplify right side
   1,955.75x = 2,891,934.21
5. Step 5: Solve for x
   x = 2,891,934.21/1,955.75
6. Step 6: Final answer
   x = 1,478.69