Finding the Fourth Proportional to 3,022.48, 4,164.78 and 2,430.64

Step by Step Solution

1. Step 1: Write the proportion equation
   3,022.48 : 4,164.78 = 2,430.64 : x
2. Step 2: Convert to fraction form
   3,022.48/4,164.78 = 2,430.64/x
3. Step 3: Cross multiply
   3,022.48x = 4,164.78 × 2,430.64
4. Step 4: Simplify right side
   3,022.48x = 10,123,080.86
5. Step 5: Solve for x
   x = 10,123,080.86/3,022.48
6. Step 6: Final answer
   x = 3,349.26