Finding the Fourth Proportional to 6,709.86, 9,258.62 and 3,725.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,709.86 : 9,258.62 = 3,725.72 : x
2. Step 2: Convert to fraction form
   6,709.86/9,258.62 = 3,725.72/x
3. Step 3: Cross multiply
   6,709.86x = 9,258.62 × 3,725.72
4. Step 4: Simplify right side
   6,709.86x = 34,495,025.71
5. Step 5: Solve for x
   x = 34,495,025.71/6,709.86
6. Step 6: Final answer
   x = 5,140.95