Finding the Fourth Proportional to 7,401.76, 10,216.47 and 4,419.61

Step by Step Solution

1. Step 1: Write the proportion equation
   7,401.76 : 10,216.47 = 4,419.61 : x
2. Step 2: Convert to fraction form
   7,401.76/10,216.47 = 4,419.61/x
3. Step 3: Cross multiply
   7,401.76x = 10,216.47 × 4,419.61
4. Step 4: Simplify right side
   7,401.76x = 45,152,812.98
5. Step 5: Solve for x
   x = 45,152,812.98/7,401.76
6. Step 6: Final answer
   x = 6,100.28