Finding the Fourth Proportional to 7,622.71, 10,518.60 and 4,436.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,622.71 : 10,518.60 = 4,436.43 : x
2. Step 2: Convert to fraction form
   7,622.71/10,518.60 = 4,436.43/x
3. Step 3: Cross multiply
   7,622.71x = 10,518.60 × 4,436.43
4. Step 4: Simplify right side
   7,622.71x = 46,665,016.67
5. Step 5: Solve for x
   x = 46,665,016.67/7,622.71
6. Step 6: Final answer
   x = 6,121.84