Finding the Fourth Proportional to 2,636.04, 3,954.50 and 992.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636.04 : 3,954.50 = 992.73 : x
2. Step 2: Convert to fraction form
   2,636.04/3,954.50 = 992.73/x
3. Step 3: Cross multiply
   2,636.04x = 3,954.50 × 992.73
4. Step 4: Simplify right side
   2,636.04x = 3,925,745.82
5. Step 5: Solve for x
   x = 3,925,745.82/2,636.04
6. Step 6: Final answer
   x = 1,489.26