Finding the Fourth Proportional to 2,731.91, 4,097.86 and 999.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,731.91 : 4,097.86 = 999.59 : x
2. Step 2: Convert to fraction form
   2,731.91/4,097.86 = 999.59/x
3. Step 3: Cross multiply
   2,731.91x = 4,097.86 × 999.59
4. Step 4: Simplify right side
   2,731.91x = 4,096,179.88
5. Step 5: Solve for x
   x = 4,096,179.88/2,731.91
6. Step 6: Final answer
   x = 1,499.38