Finding the Fourth Proportional to 8,915.77, 13,375.17 and 4,475.55

Step by Step Solution

1. Step 1: Write the proportion equation
   8,915.77 : 13,375.17 = 4,475.55 : x
2. Step 2: Convert to fraction form
   8,915.77/13,375.17 = 4,475.55/x
3. Step 3: Cross multiply
   8,915.77x = 13,375.17 × 4,475.55
4. Step 4: Simplify right side
   8,915.77x = 59,861,219.72
5. Step 5: Solve for x
   x = 59,861,219.72/8,915.77
6. Step 6: Final answer
   x = 6,714.09