Finding the Fourth Proportional to 6,198.72, 9,300.96 and 3,858.12

Step by Step Solution

1. Step 1: Write the proportion equation
   6,198.72 : 9,300.96 = 3,858.12 : x
2. Step 2: Convert to fraction form
   6,198.72/9,300.96 = 3,858.12/x
3. Step 3: Cross multiply
   6,198.72x = 9,300.96 × 3,858.12
4. Step 4: Simplify right side
   6,198.72x = 35,884,219.80
5. Step 5: Solve for x
   x = 35,884,219.80/6,198.72
6. Step 6: Final answer
   x = 5,788.97