Finding the Fourth Proportional to 2,095.99, 2,891.03 and 1,431.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,095.99 : 2,891.03 = 1,431.79 : x
2. Step 2: Convert to fraction form
   2,095.99/2,891.03 = 1,431.79/x
3. Step 3: Cross multiply
   2,095.99x = 2,891.03 × 1,431.79
4. Step 4: Simplify right side
   2,095.99x = 4,139,333.46
5. Step 5: Solve for x
   x = 4,139,333.46/2,095.99
6. Step 6: Final answer
   x = 1,974.88