Finding the Fourth Proportional to 2,731.09, 4,094.18 and 999.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.09 : 4,094.18 = 999.31 : x
2. Step 2: Convert to fraction form
   2,731.09/4,094.18 = 999.31/x
3. Step 3: Cross multiply
   2,731.09x = 4,094.18 × 999.31
4. Step 4: Simplify right side
   2,731.09x = 4,091,350.02
5. Step 5: Solve for x
   x = 4,091,350.02/2,731.09
6. Step 6: Final answer
   x = 1,498.06