Finding the Fourth Proportional to 6,653.55, 9,180.89 and 3,821.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,653.55 : 9,180.89 = 3,821.04 : x
2. Step 2: Convert to fraction form
   6,653.55/9,180.89 = 3,821.04/x
3. Step 3: Cross multiply
   6,653.55x = 9,180.89 × 3,821.04
4. Step 4: Simplify right side
   6,653.55x = 35,080,528.82
5. Step 5: Solve for x
   x = 35,080,528.82/6,653.55
6. Step 6: Final answer
   x = 5,272.46