Finding the Fourth Proportional to 2,658.16, 3,663.48 and 2,162.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.16 : 3,663.48 = 2,162.44 : x
2. Step 2: Convert to fraction form
   2,658.16/3,663.48 = 2,162.44/x
3. Step 3: Cross multiply
   2,658.16x = 3,663.48 × 2,162.44
4. Step 4: Simplify right side
   2,658.16x = 7,922,055.69
5. Step 5: Solve for x
   x = 7,922,055.69/2,658.16
6. Step 6: Final answer
   x = 2,980.28