Finding the Fourth Proportional to 3,664.53, 5,054.61 and 2,406.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.53 : 5,054.61 = 2,406.72 : x
2. Step 2: Convert to fraction form
   3,664.53/5,054.61 = 2,406.72/x
3. Step 3: Cross multiply
   3,664.53x = 5,054.61 × 2,406.72
4. Step 4: Simplify right side
   3,664.53x = 12,165,030.98
5. Step 5: Solve for x
   x = 12,165,030.98/3,664.53
6. Step 6: Final answer
   x = 3,319.67