Finding the Fourth Proportional to 5,930.58, 8,185.91 and 3,915.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,930.58 : 8,185.91 = 3,915.47 : x
2. Step 2: Convert to fraction form
   5,930.58/8,185.91 = 3,915.47/x
3. Step 3: Cross multiply
   5,930.58x = 8,185.91 × 3,915.47
4. Step 4: Simplify right side
   5,930.58x = 32,051,624.52
5. Step 5: Solve for x
   x = 32,051,624.52/5,930.58
6. Step 6: Final answer
   x = 5,404.47