Finding the Fourth Proportional to 2,047.10, 3,074.90 and 1,992.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.10 : 3,074.90 = 1,992.42 : x
2. Step 2: Convert to fraction form
   2,047.10/3,074.90 = 1,992.42/x
3. Step 3: Cross multiply
   2,047.10x = 3,074.90 × 1,992.42
4. Step 4: Simplify right side
   2,047.10x = 6,126,482.30
5. Step 5: Solve for x
   x = 6,126,482.30/2,047.10
6. Step 6: Final answer
   x = 2,992.77