Finding the Fourth Proportional to 1,955.61, 2,698.74 and 1,071.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.61 : 2,698.74 = 1,071.41 : x
2. Step 2: Convert to fraction form
   1,955.61/2,698.74 = 1,071.41/x
3. Step 3: Cross multiply
   1,955.61x = 2,698.74 × 1,071.41
4. Step 4: Simplify right side
   1,955.61x = 2,891,443.53
5. Step 5: Solve for x
   x = 2,891,443.53/1,955.61
6. Step 6: Final answer
   x = 1,478.54