Finding the Fourth Proportional to 1,931.70, 2,662.82 and 1,185.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931.70 : 2,662.82 = 1,185.08 : x
2. Step 2: Convert to fraction form
   1,931.70/2,662.82 = 1,185.08/x
3. Step 3: Cross multiply
   1,931.70x = 2,662.82 × 1,185.08
4. Step 4: Simplify right side
   1,931.70x = 3,155,661.57
5. Step 5: Solve for x
   x = 3,155,661.57/1,931.70
6. Step 6: Final answer
   x = 1,633.62