Finding the Fourth Proportional to 2,095.46, 3,143.59 and 999.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.46 : 3,143.59 = 999.91 : x
2. Step 2: Convert to fraction form
   2,095.46/3,143.59 = 999.91/x
3. Step 3: Cross multiply
   2,095.46x = 3,143.59 × 999.91
4. Step 4: Simplify right side
   2,095.46x = 3,143,307.08
5. Step 5: Solve for x
   x = 3,143,307.08/2,095.46
6. Step 6: Final answer
   x = 1,500.06