Finding the Fourth Proportional to 8,917.61, 12,306.48 and 5,336.27

Step by Step Solution

1. Step 1: Write the proportion equation
   8,917.61 : 12,306.48 = 5,336.27 : x
2. Step 2: Convert to fraction form
   8,917.61/12,306.48 = 5,336.27/x
3. Step 3: Cross multiply
   8,917.61x = 12,306.48 × 5,336.27
4. Step 4: Simplify right side
   8,917.61x = 65,670,638.50
5. Step 5: Solve for x
   x = 65,670,638.50/8,917.61
6. Step 6: Final answer
   x = 7,364.16