Finding the Fourth Proportional to 3,867.83, 5,337.72 and 2,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,867.83 : 5,337.72 = 2,099.50 : x
2. Step 2: Convert to fraction form
   3,867.83/5,337.72 = 2,099.50/x
3. Step 3: Cross multiply
   3,867.83x = 5,337.72 × 2,099.50
4. Step 4: Simplify right side
   3,867.83x = 11,206,543.14
5. Step 5: Solve for x
   x = 11,206,543.14/3,867.83
6. Step 6: Final answer
   x = 2,897.37