Finding the Fourth Proportional to 3,071.89, 4,608.44 and 992.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,071.89 : 4,608.44 = 992.42 : x
2. Step 2: Convert to fraction form
   3,071.89/4,608.44 = 992.42/x
3. Step 3: Cross multiply
   3,071.89x = 4,608.44 × 992.42
4. Step 4: Simplify right side
   3,071.89x = 4,573,501.02
5. Step 5: Solve for x
   x = 4,573,501.02/3,071.89
6. Step 6: Final answer
   x = 1,488.82