Finding the Fourth Proportional to 6,820.39, 10,180.83 and 5,990.03

Step by Step Solution

1. Step 1: Write the proportion equation
   6,820.39 : 10,180.83 = 5,990.03 : x
2. Step 2: Convert to fraction form
   6,820.39/10,180.83 = 5,990.03/x
3. Step 3: Cross multiply
   6,820.39x = 10,180.83 × 5,990.03
4. Step 4: Simplify right side
   6,820.39x = 60,983,477.12
5. Step 5: Solve for x
   x = 60,983,477.12/6,820.39
6. Step 6: Final answer
   x = 8,941.35