Finding the Fourth Proportional to 1,994.10, 2,751.72 and 1,109.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.10 : 2,751.72 = 1,109.88 : x
2. Step 2: Convert to fraction form
   1,994.10/2,751.72 = 1,109.88/x
3. Step 3: Cross multiply
   1,994.10x = 2,751.72 × 1,109.88
4. Step 4: Simplify right side
   1,994.10x = 3,054,078.99
5. Step 5: Solve for x
   x = 3,054,078.99/1,994.10
6. Step 6: Final answer
   x = 1,531.56