Finding the Fourth Proportional to 9,820.56, 14,736.72 and 3,668.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,820.56 : 14,736.72 = 3,668.88 : x
2. Step 2: Convert to fraction form
   9,820.56/14,736.72 = 3,668.88/x
3. Step 3: Cross multiply
   9,820.56x = 14,736.72 × 3,668.88
4. Step 4: Simplify right side
   9,820.56x = 54,067,257.27
5. Step 5: Solve for x
   x = 54,067,257.27/9,820.56
6. Step 6: Final answer
   x = 5,505.52