Finding the Fourth Proportional to 2,663.16, 3,674.94 and 1,615.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663.16 : 3,674.94 = 1,615.08 : x
2. Step 2: Convert to fraction form
   2,663.16/3,674.94 = 1,615.08/x
3. Step 3: Cross multiply
   2,663.16x = 3,674.94 × 1,615.08
4. Step 4: Simplify right side
   2,663.16x = 5,935,322.10
5. Step 5: Solve for x
   x = 5,935,322.10/2,663.16
6. Step 6: Final answer
   x = 2,228.68