Finding the Fourth Proportional to 2,007.95, 3,011.87 and 1,658.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.95 : 3,011.87 = 1,658.03 : x
2. Step 2: Convert to fraction form
   2,007.95/3,011.87 = 1,658.03/x
3. Step 3: Cross multiply
   2,007.95x = 3,011.87 × 1,658.03
4. Step 4: Simplify right side
   2,007.95x = 4,993,747.47
5. Step 5: Solve for x
   x = 4,993,747.47/2,007.95
6. Step 6: Final answer
   x = 2,486.99