Finding the Fourth Proportional to 1,994.06, 2,751.78 and 1,155.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.06 : 2,751.78 = 1,155.03 : x
2. Step 2: Convert to fraction form
   1,994.06/2,751.78 = 1,155.03/x
3. Step 3: Cross multiply
   1,994.06x = 2,751.78 × 1,155.03
4. Step 4: Simplify right side
   1,994.06x = 3,178,385.46
5. Step 5: Solve for x
   x = 3,178,385.46/1,994.06
6. Step 6: Final answer
   x = 1,593.93