Finding the Fourth Proportional to 6,200.69, 9,300.90 and 1,818.05

Step by Step Solution

1. Step 1: Write the proportion equation
   6,200.69 : 9,300.90 = 1,818.05 : x
2. Step 2: Convert to fraction form
   6,200.69/9,300.90 = 1,818.05/x
3. Step 3: Cross multiply
   6,200.69x = 9,300.90 × 1,818.05
4. Step 4: Simplify right side
   6,200.69x = 16,909,454.74
5. Step 5: Solve for x
   x = 16,909,454.74/6,200.69
6. Step 6: Final answer
   x = 2,727.03