Finding the Fourth Proportional to 6,816.48, 9,396.72 and 4,820.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,816.48 : 9,396.72 = 4,820.88 : x
2. Step 2: Convert to fraction form
   6,816.48/9,396.72 = 4,820.88/x
3. Step 3: Cross multiply
   6,816.48x = 9,396.72 × 4,820.88
4. Step 4: Simplify right side
   6,816.48x = 45,300,459.51
5. Step 5: Solve for x
   x = 45,300,459.51/6,816.48
6. Step 6: Final answer
   x = 6,645.73