Finding the Fourth Proportional to 4,411.15, 6,087.41 and 2,421.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,411.15 : 6,087.41 = 2,421.72 : x
2. Step 2: Convert to fraction form
   4,411.15/6,087.41 = 2,421.72/x
3. Step 3: Cross multiply
   4,411.15x = 6,087.41 × 2,421.72
4. Step 4: Simplify right side
   4,411.15x = 14,741,999.52
5. Step 5: Solve for x
   x = 14,741,999.52/4,411.15
6. Step 6: Final answer
   x = 3,341.99