Finding the Fourth Proportional to 1,994.58, 2,752.29 and 1,155.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,994.58 : 2,752.29 = 1,155.12 : x
2. Step 2: Convert to fraction form
   1,994.58/2,752.29 = 1,155.12/x
3. Step 3: Cross multiply
   1,994.58x = 2,752.29 × 1,155.12
4. Step 4: Simplify right side
   1,994.58x = 3,179,225.22
5. Step 5: Solve for x
   x = 3,179,225.22/1,994.58
6. Step 6: Final answer
   x = 1,593.93