Finding the Fourth Proportional to 6,775.34, 9,349.71 and 3,790.90

Step by Step Solution

1. Step 1: Write the proportion equation
   6,775.34 : 9,349.71 = 3,790.90 : x
2. Step 2: Convert to fraction form
   6,775.34/9,349.71 = 3,790.90/x
3. Step 3: Cross multiply
   6,775.34x = 9,349.71 × 3,790.90
4. Step 4: Simplify right side
   6,775.34x = 35,443,768.89
5. Step 5: Solve for x
   x = 35,443,768.89/6,775.34
6. Step 6: Final answer
   x = 5,231.29