Finding the Fourth Proportional to 6,709.20, 9,258.72 and 3,725.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,709.20 : 9,258.72 = 3,725.52 : x
2. Step 2: Convert to fraction form
   6,709.20/9,258.72 = 3,725.52/x
3. Step 3: Cross multiply
   6,709.20x = 9,258.72 × 3,725.52
4. Step 4: Simplify right side
   6,709.20x = 34,493,546.53
5. Step 5: Solve for x
   x = 34,493,546.53/6,709.20
6. Step 6: Final answer
   x = 5,141.23