Finding the Fourth Proportional to 1,953.22, 2,694.59 and 1,166.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,953.22 : 2,694.59 = 1,166.81 : x
2. Step 2: Convert to fraction form
   1,953.22/2,694.59 = 1,166.81/x
3. Step 3: Cross multiply
   1,953.22x = 2,694.59 × 1,166.81
4. Step 4: Simplify right side
   1,953.22x = 3,144,078.38
5. Step 5: Solve for x
   x = 3,144,078.38/1,953.22
6. Step 6: Final answer
   x = 1,609.69