Finding the Fourth Proportional to 10,915.85, 16,364.04 and 5,069.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,915.85 : 16,364.04 = 5,069.27 : x
2. Step 2: Convert to fraction form
   10,915.85/16,364.04 = 5,069.27/x
3. Step 3: Cross multiply
   10,915.85x = 16,364.04 × 5,069.27
4. Step 4: Simplify right side
   10,915.85x = 82,953,655.23
5. Step 5: Solve for x
   x = 82,953,655.23/10,915.85
6. Step 6: Final answer
   x = 7,599.38