Finding the Fourth Proportional to 6,414.31, 8,851.78 and 3,761.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,414.31 : 8,851.78 = 3,761.76 : x
2. Step 2: Convert to fraction form
   6,414.31/8,851.78 = 3,761.76/x
3. Step 3: Cross multiply
   6,414.31x = 8,851.78 × 3,761.76
4. Step 4: Simplify right side
   6,414.31x = 33,298,271.93
5. Step 5: Solve for x
   x = 33,298,271.93/6,414.31
6. Step 6: Final answer
   x = 5,191.25