Finding the Fourth Proportional to 2,117.04, 2,921.52 and 1,185.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,117.04 : 2,921.52 = 1,185.54 : x
2. Step 2: Convert to fraction form
   2,117.04/2,921.52 = 1,185.54/x
3. Step 3: Cross multiply
   2,117.04x = 2,921.52 × 1,185.54
4. Step 4: Simplify right side
   2,117.04x = 3,463,578.82
5. Step 5: Solve for x
   x = 3,463,578.82/2,117.04
6. Step 6: Final answer
   x = 1,636.05