Finding the Fourth Proportional to 9,915.36, 14,852.79 and 5,535.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,915.36 : 14,852.79 = 5,535.15 : x
2. Step 2: Convert to fraction form
   9,915.36/14,852.79 = 5,535.15/x
3. Step 3: Cross multiply
   9,915.36x = 14,852.79 × 5,535.15
4. Step 4: Simplify right side
   9,915.36x = 82,212,420.57
5. Step 5: Solve for x
   x = 82,212,420.57/9,915.36
6. Step 6: Final answer
   x = 8,291.42