Finding the Fourth Proportional to 2,168.34, 2,992.31 and 1,173.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.34 : 2,992.31 = 1,173.63 : x
2. Step 2: Convert to fraction form
   2,168.34/2,992.31 = 1,173.63/x
3. Step 3: Cross multiply
   2,168.34x = 2,992.31 × 1,173.63
4. Step 4: Simplify right side
   2,168.34x = 3,511,849.82
5. Step 5: Solve for x
   x = 3,511,849.82/2,168.34
6. Step 6: Final answer
   x = 1,619.61