Finding the Fourth Proportional to 5,290.28, 7,300.67 and 3,300.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,290.28 : 7,300.67 = 3,300.48 : x
2. Step 2: Convert to fraction form
   5,290.28/7,300.67 = 3,300.48/x
3. Step 3: Cross multiply
   5,290.28x = 7,300.67 × 3,300.48
4. Step 4: Simplify right side
   5,290.28x = 24,095,698.82
5. Step 5: Solve for x
   x = 24,095,698.82/5,290.28
6. Step 6: Final answer
   x = 4,554.71