Finding the Fourth Proportional to 5,538.64, 7,642.52 and 3,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,538.64 : 7,642.52 = 3,300.48 : x
2. Step 2: Convert to fraction form
   5,538.64/7,642.52 = 3,300.48/x
3. Step 3: Cross multiply
   5,538.64x = 7,642.52 × 3,300.48
4. Step 4: Simplify right side
   5,538.64x = 25,223,984.41
5. Step 5: Solve for x
   x = 25,223,984.41/5,538.64
6. Step 6: Final answer
   x = 4,554.18