Finding the Fourth Proportional to 2,168.33, 2,992.28 and 1,173.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.33 : 2,992.28 = 1,173.58 : x
2. Step 2: Convert to fraction form
   2,168.33/2,992.28 = 1,173.58/x
3. Step 3: Cross multiply
   2,168.33x = 2,992.28 × 1,173.58
4. Step 4: Simplify right side
   2,168.33x = 3,511,666.61
5. Step 5: Solve for x
   x = 3,511,666.61/2,168.33
6. Step 6: Final answer
   x = 1,619.53