Finding the Fourth Proportional to 1,969.65, 2,951.82 and 1,092.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.65 : 2,951.82 = 1,092.12 : x
2. Step 2: Convert to fraction form
   1,969.65/2,951.82 = 1,092.12/x
3. Step 3: Cross multiply
   1,969.65x = 2,951.82 × 1,092.12
4. Step 4: Simplify right side
   1,969.65x = 3,223,741.66
5. Step 5: Solve for x
   x = 3,223,741.66/1,969.65
6. Step 6: Final answer
   x = 1,636.71