Finding the Fourth Proportional to 6,147.02, 8,480.47 and 3,785.06

Step by Step Solution

1. Step 1: Write the proportion equation
   6,147.02 : 8,480.47 = 3,785.06 : x
2. Step 2: Convert to fraction form
   6,147.02/8,480.47 = 3,785.06/x
3. Step 3: Cross multiply
   6,147.02x = 8,480.47 × 3,785.06
4. Step 4: Simplify right side
   6,147.02x = 32,099,087.78
5. Step 5: Solve for x
   x = 32,099,087.78/6,147.02
6. Step 6: Final answer
   x = 5,221.89