Finding the Fourth Proportional to 1,992.09, 2,986.49 and 951.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,992.09 : 2,986.49 = 951.57 : x
2. Step 2: Convert to fraction form
   1,992.09/2,986.49 = 951.57/x
3. Step 3: Cross multiply
   1,992.09x = 2,986.49 × 951.57
4. Step 4: Simplify right side
   1,992.09x = 2,841,849.53
5. Step 5: Solve for x
   x = 2,841,849.53/1,992.09
6. Step 6: Final answer
   x = 1,426.57