Finding the Fourth Proportional to 3,422.19, 5,108.98 and 3,300.69

Step by Step Solution

1. Step 1: Write the proportion equation
   3,422.19 : 5,108.98 = 3,300.69 : x
2. Step 2: Convert to fraction form
   3,422.19/5,108.98 = 3,300.69/x
3. Step 3: Cross multiply
   3,422.19x = 5,108.98 × 3,300.69
4. Step 4: Simplify right side
   3,422.19x = 16,863,150.94
5. Step 5: Solve for x
   x = 16,863,150.94/3,422.19
6. Step 6: Final answer
   x = 4,927.59