Finding the Fourth Proportional to 5,538.69, 7,643.16 and 3,300.03

Step by Step Solution

1. Step 1: Write the proportion equation
   5,538.69 : 7,643.16 = 3,300.03 : x
2. Step 2: Convert to fraction form
   5,538.69/7,643.16 = 3,300.03/x
3. Step 3: Cross multiply
   5,538.69x = 7,643.16 × 3,300.03
4. Step 4: Simplify right side
   5,538.69x = 25,222,657.29
5. Step 5: Solve for x
   x = 25,222,657.29/5,538.69
6. Step 6: Final answer
   x = 4,553.90