Finding the Fourth Proportional to 6,429.37, 9,637.46 and 3,138.41

Step by Step Solution

1. Step 1: Write the proportion equation
   6,429.37 : 9,637.46 = 3,138.41 : x
2. Step 2: Convert to fraction form
   6,429.37/9,637.46 = 3,138.41/x
3. Step 3: Cross multiply
   6,429.37x = 9,637.46 × 3,138.41
4. Step 4: Simplify right side
   6,429.37x = 30,246,300.84
5. Step 5: Solve for x
   x = 30,246,300.84/6,429.37
6. Step 6: Final answer
   x = 4,704.40