Finding the Fourth Proportional to 6,634.25, 9,938.72 and 3,419.36

Step by Step Solution

1. Step 1: Write the proportion equation
   6,634.25 : 9,938.72 = 3,419.36 : x
2. Step 2: Convert to fraction form
   6,634.25/9,938.72 = 3,419.36/x
3. Step 3: Cross multiply
   6,634.25x = 9,938.72 × 3,419.36
4. Step 4: Simplify right side
   6,634.25x = 33,983,994.83
5. Step 5: Solve for x
   x = 33,983,994.83/6,634.25
6. Step 6: Final answer
   x = 5,122.51