Finding the Fourth Proportional to 9,915.25, 14,869.83 and 3,339.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,915.25 : 14,869.83 = 3,339.67 : x
2. Step 2: Convert to fraction form
   9,915.25/14,869.83 = 3,339.67/x
3. Step 3: Cross multiply
   9,915.25x = 14,869.83 × 3,339.67
4. Step 4: Simplify right side
   9,915.25x = 49,660,325.16
5. Step 5: Solve for x
   x = 49,660,325.16/9,915.25
6. Step 6: Final answer
   x = 5,008.48