Finding the Fourth Proportional to 1,955.50, 2,698.91 and 1,127.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.50 : 2,698.91 = 1,127.98 : x
2. Step 2: Convert to fraction form
   1,955.50/2,698.91 = 1,127.98/x
3. Step 3: Cross multiply
   1,955.50x = 2,698.91 × 1,127.98
4. Step 4: Simplify right side
   1,955.50x = 3,044,316.50
5. Step 5: Solve for x
   x = 3,044,316.50/1,955.50
6. Step 6: Final answer
   x = 1,556.80