Finding the Fourth Proportional to 10,889.85, 16,333.16 and 3,494.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,889.85 : 16,333.16 = 3,494.96 : x
2. Step 2: Convert to fraction form
   10,889.85/16,333.16 = 3,494.96/x
3. Step 3: Cross multiply
   10,889.85x = 16,333.16 × 3,494.96
4. Step 4: Simplify right side
   10,889.85x = 57,083,641.73
5. Step 5: Solve for x
   x = 57,083,641.73/10,889.85
6. Step 6: Final answer
   x = 5,241.91