Finding the Fourth Proportional to 6,126.78, 8,453.48 and 3,608.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,126.78 : 8,453.48 = 3,608.69 : x
2. Step 2: Convert to fraction form
   6,126.78/8,453.48 = 3,608.69/x
3. Step 3: Cross multiply
   6,126.78x = 8,453.48 × 3,608.69
4. Step 4: Simplify right side
   6,126.78x = 30,506,018.90
5. Step 5: Solve for x
   x = 30,506,018.90/6,126.78
6. Step 6: Final answer
   x = 4,979.13