Finding the Fourth Proportional to 1,994.98, 2,753.43 and 1,155.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.98 : 2,753.43 = 1,155.56 : x
2. Step 2: Convert to fraction form
   1,994.98/2,753.43 = 1,155.56/x
3. Step 3: Cross multiply
   1,994.98x = 2,753.43 × 1,155.56
4. Step 4: Simplify right side
   1,994.98x = 3,181,753.57
5. Step 5: Solve for x
   x = 3,181,753.57/1,994.98
6. Step 6: Final answer
   x = 1,594.88