Finding the Fourth Proportional to 6,749.78, 9,314.56 and 3,725.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,749.78 : 9,314.56 = 3,725.18 : x
2. Step 2: Convert to fraction form
   6,749.78/9,314.56 = 3,725.18/x
3. Step 3: Cross multiply
   6,749.78x = 9,314.56 × 3,725.18
4. Step 4: Simplify right side
   6,749.78x = 34,698,445.22
5. Step 5: Solve for x
   x = 34,698,445.22/6,749.78
6. Step 6: Final answer
   x = 5,140.68