Finding the Fourth Proportional to 6,261.82, 8,641.32 and 3,429.46

Step by Step Solution

1. Step 1: Write the proportion equation
   6,261.82 : 8,641.32 = 3,429.46 : x
2. Step 2: Convert to fraction form
   6,261.82/8,641.32 = 3,429.46/x
3. Step 3: Cross multiply
   6,261.82x = 8,641.32 × 3,429.46
4. Step 4: Simplify right side
   6,261.82x = 29,635,061.29
5. Step 5: Solve for x
   x = 29,635,061.29/6,261.82
6. Step 6: Final answer
   x = 4,732.66