Finding the Fourth Proportional to 6,164.24, 8,507.40 and 4,072.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,164.24 : 8,507.40 = 4,072.72 : x
2. Step 2: Convert to fraction form
   6,164.24/8,507.40 = 4,072.72/x
3. Step 3: Cross multiply
   6,164.24x = 8,507.40 × 4,072.72
4. Step 4: Simplify right side
   6,164.24x = 34,648,258.13
5. Step 5: Solve for x
   x = 34,648,258.13/6,164.24
6. Step 6: Final answer
   x = 5,620.85