Finding the Fourth Proportional to 1,967.16, 2,950.20 and 992.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.16 : 2,950.20 = 992.82 : x
2. Step 2: Convert to fraction form
   1,967.16/2,950.20 = 992.82/x
3. Step 3: Cross multiply
   1,967.16x = 2,950.20 × 992.82
4. Step 4: Simplify right side
   1,967.16x = 2,929,017.56
5. Step 5: Solve for x
   x = 2,929,017.56/1,967.16
6. Step 6: Final answer
   x = 1,488.96