Finding the Fourth Proportional to 3,662.66, 5,055.38 and 2,091.67

Step by Step Solution

1. Step 1: Write the proportion equation
   3,662.66 : 5,055.38 = 2,091.67 : x
2. Step 2: Convert to fraction form
   3,662.66/5,055.38 = 2,091.67/x
3. Step 3: Cross multiply
   3,662.66x = 5,055.38 × 2,091.67
4. Step 4: Simplify right side
   3,662.66x = 10,574,150.95
5. Step 5: Solve for x
   x = 10,574,150.95/3,662.66
6. Step 6: Final answer
   x = 2,887.01