Finding the Fourth Proportional to 2,168.65, 2,992.74 and 1,173.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.65 : 2,992.74 = 1,173.93 : x
2. Step 2: Convert to fraction form
   2,168.65/2,992.74 = 1,173.93/x
3. Step 3: Cross multiply
   2,168.65x = 2,992.74 × 1,173.93
4. Step 4: Simplify right side
   2,168.65x = 3,513,276.89
5. Step 5: Solve for x
   x = 3,513,276.89/2,168.65
6. Step 6: Final answer
   x = 1,620.03