Finding the Fourth Proportional to 6,648.21, 9,174.74 and 3,816.10

Step by Step Solution

1. Step 1: Write the proportion equation
   6,648.21 : 9,174.74 = 3,816.10 : x
2. Step 2: Convert to fraction form
   6,648.21/9,174.74 = 3,816.10/x
3. Step 3: Cross multiply
   6,648.21x = 9,174.74 × 3,816.10
4. Step 4: Simplify right side
   6,648.21x = 35,011,725.31
5. Step 5: Solve for x
   x = 35,011,725.31/6,648.21
6. Step 6: Final answer
   x = 5,266.34