Finding the Fourth Proportional to 10,679.58, 16,012.47 and 4,443.89

Step by Step Solution

1. Step 1: Write the proportion equation
   10,679.58 : 16,012.47 = 4,443.89 : x
2. Step 2: Convert to fraction form
   10,679.58/16,012.47 = 4,443.89/x
3. Step 3: Cross multiply
   10,679.58x = 16,012.47 × 4,443.89
4. Step 4: Simplify right side
   10,679.58x = 71,157,655.31
5. Step 5: Solve for x
   x = 71,157,655.31/10,679.58
6. Step 6: Final answer
   x = 6,662.96