Finding the Fourth Proportional to 2,118.94, 2,924.16 and 1,174.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,118.94 : 2,924.16 = 1,174.74 : x
2. Step 2: Convert to fraction form
   2,118.94/2,924.16 = 1,174.74/x
3. Step 3: Cross multiply
   2,118.94x = 2,924.16 × 1,174.74
4. Step 4: Simplify right side
   2,118.94x = 3,435,142.20
5. Step 5: Solve for x
   x = 3,435,142.20/2,118.94
6. Step 6: Final answer
   x = 1,621.16