Finding the Fourth Proportional to 3,868.01, 5,337.96 and 2,099.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,868.01 : 5,337.96 = 2,099.73 : x
2. Step 2: Convert to fraction form
   3,868.01/5,337.96 = 2,099.73/x
3. Step 3: Cross multiply
   3,868.01x = 5,337.96 × 2,099.73
4. Step 4: Simplify right side
   3,868.01x = 11,208,284.59
5. Step 5: Solve for x
   x = 11,208,284.59/3,868.01
6. Step 6: Final answer
   x = 2,897.69