Finding the Fourth Proportional to 3,663.24, 5,055.22 and 2,091.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.24 : 5,055.22 = 2,091.32 : x
2. Step 2: Convert to fraction form
   3,663.24/5,055.22 = 2,091.32/x
3. Step 3: Cross multiply
   3,663.24x = 5,055.22 × 2,091.32
4. Step 4: Simplify right side
   3,663.24x = 10,572,082.69
5. Step 5: Solve for x
   x = 10,572,082.69/3,663.24
6. Step 6: Final answer
   x = 2,885.99