Finding the Fourth Proportional to 9,469.83, 13,054.71 and 6,628.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,469.83 : 13,054.71 = 6,628.41 : x
2. Step 2: Convert to fraction form
   9,469.83/13,054.71 = 6,628.41/x
3. Step 3: Cross multiply
   9,469.83x = 13,054.71 × 6,628.41
4. Step 4: Simplify right side
   9,469.83x = 86,531,970.31
5. Step 5: Solve for x
   x = 86,531,970.31/9,469.83
6. Step 6: Final answer
   x = 9,137.65