Finding the Fourth Proportional to 5,409.06, 7,464.72 and 3,418.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,409.06 : 7,464.72 = 3,418.89 : x
2. Step 2: Convert to fraction form
   5,409.06/7,464.72 = 3,418.89/x
3. Step 3: Cross multiply
   5,409.06x = 7,464.72 × 3,418.89
4. Step 4: Simplify right side
   5,409.06x = 25,521,056.56
5. Step 5: Solve for x
   x = 25,521,056.56/5,409.06
6. Step 6: Final answer
   x = 4,718.21