Finding the Fourth Proportional to 1,993.34, 2,750.72 and 1,109.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,993.34 : 2,750.72 = 1,109.22 : x
2. Step 2: Convert to fraction form
   1,993.34/2,750.72 = 1,109.22/x
3. Step 3: Cross multiply
   1,993.34x = 2,750.72 × 1,109.22
4. Step 4: Simplify right side
   1,993.34x = 3,051,148.09
5. Step 5: Solve for x
   x = 3,051,148.09/1,993.34
6. Step 6: Final answer
   x = 1,530.68