Finding the Fourth Proportional to 2,168.73, 2,992.86 and 1,174.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.73 : 2,992.86 = 1,174.01 : x
2. Step 2: Convert to fraction form
   2,168.73/2,992.86 = 1,174.01/x
3. Step 3: Cross multiply
   2,168.73x = 2,992.86 × 1,174.01
4. Step 4: Simplify right side
   2,168.73x = 3,513,647.57
5. Step 5: Solve for x
   x = 3,513,647.57/2,168.73
6. Step 6: Final answer
   x = 1,620.14