Finding the Fourth Proportional to 6,196.28, 9,278.53 and 3,419.87

Step by Step Solution

1. Step 1: Write the proportion equation
   6,196.28 : 9,278.53 = 3,419.87 : x
2. Step 2: Convert to fraction form
   6,196.28/9,278.53 = 3,419.87/x
3. Step 3: Cross multiply
   6,196.28x = 9,278.53 × 3,419.87
4. Step 4: Simplify right side
   6,196.28x = 31,731,311.45
5. Step 5: Solve for x
   x = 31,731,311.45/6,196.28
6. Step 6: Final answer
   x = 5,121.03