Finding the Fourth Proportional to 6,800.53, 9,385.71 and 3,776.35

Step by Step Solution

1. Step 1: Write the proportion equation
   6,800.53 : 9,385.71 = 3,776.35 : x
2. Step 2: Convert to fraction form
   6,800.53/9,385.71 = 3,776.35/x
3. Step 3: Cross multiply
   6,800.53x = 9,385.71 × 3,776.35
4. Step 4: Simplify right side
   6,800.53x = 35,443,679.03
5. Step 5: Solve for x
   x = 35,443,679.03/6,800.53
6. Step 6: Final answer
   x = 5,211.90