Finding the Fourth Proportional to 2,175.50, 3,002.17 and 1,180.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,175.50 : 3,002.17 = 1,180.81 : x
2. Step 2: Convert to fraction form
   2,175.50/3,002.17 = 1,180.81/x
3. Step 3: Cross multiply
   2,175.50x = 3,002.17 × 1,180.81
4. Step 4: Simplify right side
   2,175.50x = 3,544,992.36
5. Step 5: Solve for x
   x = 3,544,992.36/2,175.50
6. Step 6: Final answer
   x = 1,629.51