Finding the Fourth Proportional to 3,412.72, 5,120.88 and 1,464.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,412.72 : 5,120.88 = 1,464.40 : x
2. Step 2: Convert to fraction form
   3,412.72/5,120.88 = 1,464.40/x
3. Step 3: Cross multiply
   3,412.72x = 5,120.88 × 1,464.40
4. Step 4: Simplify right side
   3,412.72x = 7,499,016.67
5. Step 5: Solve for x
   x = 7,499,016.67/3,412.72
6. Step 6: Final answer
   x = 2,197.37