Finding the Fourth Proportional to 1,993.77, 2,751.27 and 1,109.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.77 : 2,751.27 = 1,109.55 : x
2. Step 2: Convert to fraction form
   1,993.77/2,751.27 = 1,109.55/x
3. Step 3: Cross multiply
   1,993.77x = 2,751.27 × 1,109.55
4. Step 4: Simplify right side
   1,993.77x = 3,052,657.87
5. Step 5: Solve for x
   x = 3,052,657.87/1,993.77
6. Step 6: Final answer
   x = 1,531.10