Finding the Fourth Proportional to 6,443.43, 8,889.90 and 3,610.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,443.43 : 8,889.90 = 3,610.42 : x
2. Step 2: Convert to fraction form
   6,443.43/8,889.90 = 3,610.42/x
3. Step 3: Cross multiply
   6,443.43x = 8,889.90 × 3,610.42
4. Step 4: Simplify right side
   6,443.43x = 32,096,272.76
5. Step 5: Solve for x
   x = 32,096,272.76/6,443.43
6. Step 6: Final answer
   x = 4,981.24