Finding the Fourth Proportional to 2,118.94, 2,923.62 and 1,174.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.94 : 2,923.62 = 1,174.62 : x
2. Step 2: Convert to fraction form
   2,118.94/2,923.62 = 1,174.62/x
3. Step 3: Cross multiply
   2,118.94x = 2,923.62 × 1,174.62
4. Step 4: Simplify right side
   2,118.94x = 3,434,142.52
5. Step 5: Solve for x
   x = 3,434,142.52/2,118.94
6. Step 6: Final answer
   x = 1,620.69