Finding the Fourth Proportional to 10,911.91, 16,375.04 and 5,985

Step by Step Solution

1. Step 1: Write the proportion equation
   10,911.91 : 16,375.04 = 5,985 : x
2. Step 2: Convert to fraction form
   10,911.91/16,375.04 = 5,985/x
3. Step 3: Cross multiply
   10,911.91x = 16,375.04 × 5,985
4. Step 4: Simplify right side
   10,911.91x = 98,004,584.48
5. Step 5: Solve for x
   x = 98,004,584.48/10,911.91
6. Step 6: Final answer
   x = 8,981.43