Finding the Fourth Proportional to 9,879.41, 13,633.29 and 5,629.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,879.41 : 13,633.29 = 5,629.34 : x
2. Step 2: Convert to fraction form
   9,879.41/13,633.29 = 5,629.34/x
3. Step 3: Cross multiply
   9,879.41x = 13,633.29 × 5,629.34
4. Step 4: Simplify right side
   9,879.41x = 76,746,356.56
5. Step 5: Solve for x
   x = 76,746,356.56/9,879.41
6. Step 6: Final answer
   x = 7,768.32