Finding the Fourth Proportional to 2,849.31, 4,271.37 and 999.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.31 : 4,271.37 = 999.42 : x
2. Step 2: Convert to fraction form
   2,849.31/4,271.37 = 999.42/x
3. Step 3: Cross multiply
   2,849.31x = 4,271.37 × 999.42
4. Step 4: Simplify right side
   2,849.31x = 4,268,892.61
5. Step 5: Solve for x
   x = 4,268,892.61/2,849.31
6. Step 6: Final answer
   x = 1,498.22