Finding the Fourth Proportional to 1,967.98, 2,949.91 and 992.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.98 : 2,949.91 = 992.04 : x
2. Step 2: Convert to fraction form
   1,967.98/2,949.91 = 992.04/x
3. Step 3: Cross multiply
   1,967.98x = 2,949.91 × 992.04
4. Step 4: Simplify right side
   1,967.98x = 2,926,428.72
5. Step 5: Solve for x
   x = 2,926,428.72/1,967.98
6. Step 6: Final answer
   x = 1,487.02