Finding the Fourth Proportional to 8,846.40, 13,266.72 and 3,915.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,846.40 : 13,266.72 = 3,915.93 : x
2. Step 2: Convert to fraction form
   8,846.40/13,266.72 = 3,915.93/x
3. Step 3: Cross multiply
   8,846.40x = 13,266.72 × 3,915.93
4. Step 4: Simplify right side
   8,846.40x = 51,951,546.85
5. Step 5: Solve for x
   x = 51,951,546.85/8,846.40
6. Step 6: Final answer
   x = 5,872.62