Finding the Fourth Proportional to 1,993.86, 2,751.71 and 1,109.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.86 : 2,751.71 = 1,109.75 : x
2. Step 2: Convert to fraction form
   1,993.86/2,751.71 = 1,109.75/x
3. Step 3: Cross multiply
   1,993.86x = 2,751.71 × 1,109.75
4. Step 4: Simplify right side
   1,993.86x = 3,053,690.87
5. Step 5: Solve for x
   x = 3,053,690.87/1,993.86
6. Step 6: Final answer
   x = 1,531.55