Finding the Fourth Proportional to 10,890.82, 16,328.67 and 5,962.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,890.82 : 16,328.67 = 5,962.78 : x
2. Step 2: Convert to fraction form
   10,890.82/16,328.67 = 5,962.78/x
3. Step 3: Cross multiply
   10,890.82x = 16,328.67 × 5,962.78
4. Step 4: Simplify right side
   10,890.82x = 97,364,266.90
5. Step 5: Solve for x
   x = 97,364,266.90/10,890.82
6. Step 6: Final answer
   x = 8,940.03