Finding the Fourth Proportional to 6,761.31, 9,329.78 and 3,777.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,761.31 : 9,329.78 = 3,777.02 : x
2. Step 2: Convert to fraction form
   6,761.31/9,329.78 = 3,777.02/x
3. Step 3: Cross multiply
   6,761.31x = 9,329.78 × 3,777.02
4. Step 4: Simplify right side
   6,761.31x = 35,238,798.42
5. Step 5: Solve for x
   x = 35,238,798.42/6,761.31
6. Step 6: Final answer
   x = 5,211.83