Finding the Fourth Proportional to 3,673.86, 5,068.49 and 2,101.11

Step by Step Solution

1. Step 1: Write the proportion equation
   3,673.86 : 5,068.49 = 2,101.11 : x
2. Step 2: Convert to fraction form
   3,673.86/5,068.49 = 2,101.11/x
3. Step 3: Cross multiply
   3,673.86x = 5,068.49 × 2,101.11
4. Step 4: Simplify right side
   3,673.86x = 10,649,444.52
5. Step 5: Solve for x
   x = 10,649,444.52/3,673.86
6. Step 6: Final answer
   x = 2,898.71