Finding the Fourth Proportional to 1,994.56, 2,752.59 and 1,155.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.56 : 2,752.59 = 1,155.11 : x
2. Step 2: Convert to fraction form
   1,994.56/2,752.59 = 1,155.11/x
3. Step 3: Cross multiply
   1,994.56x = 2,752.59 × 1,155.11
4. Step 4: Simplify right side
   1,994.56x = 3,179,551.12
5. Step 5: Solve for x
   x = 3,179,551.12/1,994.56
6. Step 6: Final answer
   x = 1,594.11