Finding the Fourth Proportional to 1,939.98, 2,677.35 and 1,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939.98 : 2,677.35 = 1,100.72 : x
2. Step 2: Convert to fraction form
   1,939.98/2,677.35 = 1,100.72/x
3. Step 3: Cross multiply
   1,939.98x = 2,677.35 × 1,100.72
4. Step 4: Simplify right side
   1,939.98x = 2,947,012.69
5. Step 5: Solve for x
   x = 2,947,012.69/1,939.98
6. Step 6: Final answer
   x = 1,519.09