Finding the Fourth Proportional to 5,304.83, 7,320.76 and 3,180.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,304.83 : 7,320.76 = 3,180.69 : x
2. Step 2: Convert to fraction form
   5,304.83/7,320.76 = 3,180.69/x
3. Step 3: Cross multiply
   5,304.83x = 7,320.76 × 3,180.69
4. Step 4: Simplify right side
   5,304.83x = 23,285,060.17
5. Step 5: Solve for x
   x = 23,285,060.17/5,304.83
6. Step 6: Final answer
   x = 4,389.41