Finding the Fourth Proportional to 5,002.88, 7,506.72 and 2,405.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,002.88 : 7,506.72 = 2,405.12 : x
2. Step 2: Convert to fraction form
   5,002.88/7,506.72 = 2,405.12/x
3. Step 3: Cross multiply
   5,002.88x = 7,506.72 × 2,405.12
4. Step 4: Simplify right side
   5,002.88x = 18,054,562.41
5. Step 5: Solve for x
   x = 18,054,562.41/5,002.88
6. Step 6: Final answer
   x = 3,608.83