Finding the Fourth Proportional to 7,162.22, 9,881.83 and 4,644.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,162.22 : 9,881.83 = 4,644.43 : x
2. Step 2: Convert to fraction form
   7,162.22/9,881.83 = 4,644.43/x
3. Step 3: Cross multiply
   7,162.22x = 9,881.83 × 4,644.43
4. Step 4: Simplify right side
   7,162.22x = 45,895,467.71
5. Step 5: Solve for x
   x = 45,895,467.71/7,162.22
6. Step 6: Final answer
   x = 6,407.99