Finding the Fourth Proportional to 6,800.98, 9,385.32 and 3,776.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,800.98 : 9,385.32 = 3,776.55 : x
2. Step 2: Convert to fraction form
   6,800.98/9,385.32 = 3,776.55/x
3. Step 3: Cross multiply
   6,800.98x = 9,385.32 × 3,776.55
4. Step 4: Simplify right side
   6,800.98x = 35,444,130.25
5. Step 5: Solve for x
   x = 35,444,130.25/6,800.98
6. Step 6: Final answer
   x = 5,211.62