Finding the Fourth Proportional to 6,301.78, 8,695.46 and 3,507.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,301.78 : 8,695.46 = 3,507.28 : x
2. Step 2: Convert to fraction form
   6,301.78/8,695.46 = 3,507.28/x
3. Step 3: Cross multiply
   6,301.78x = 8,695.46 × 3,507.28
4. Step 4: Simplify right side
   6,301.78x = 30,497,412.95
5. Step 5: Solve for x
   x = 30,497,412.95/6,301.78
6. Step 6: Final answer
   x = 4,839.49