Finding the Fourth Proportional to 6,773.12, 9,342.72 and 4,647.68

Step by Step Solution

1. Step 1: Write the proportion equation
   6,773.12 : 9,342.72 = 4,647.68 : x
2. Step 2: Convert to fraction form
   6,773.12/9,342.72 = 4,647.68/x
3. Step 3: Cross multiply
   6,773.12x = 9,342.72 × 4,647.68
4. Step 4: Simplify right side
   6,773.12x = 43,421,972.89
5. Step 5: Solve for x
   x = 43,421,972.89/6,773.12
6. Step 6: Final answer
   x = 6,410.93