Finding the Fourth Proportional to 6,119.78, 9,172.37 and 3,345.93

Step by Step Solution

1. Step 1: Write the proportion equation
   6,119.78 : 9,172.37 = 3,345.93 : x
2. Step 2: Convert to fraction form
   6,119.78/9,172.37 = 3,345.93/x
3. Step 3: Cross multiply
   6,119.78x = 9,172.37 × 3,345.93
4. Step 4: Simplify right side
   6,119.78x = 30,690,116.32
5. Step 5: Solve for x
   x = 30,690,116.32/6,119.78
6. Step 6: Final answer
   x = 5,014.91