Finding the Fourth Proportional to 6,271.98, 8,653.35 and 3,915.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,271.98 : 8,653.35 = 3,915.48 : x
2. Step 2: Convert to fraction form
   6,271.98/8,653.35 = 3,915.48/x
3. Step 3: Cross multiply
   6,271.98x = 8,653.35 × 3,915.48
4. Step 4: Simplify right side
   6,271.98x = 33,882,018.86
5. Step 5: Solve for x
   x = 33,882,018.86/6,271.98
6. Step 6: Final answer
   x = 5,402.13