Finding the Fourth Proportional to 9,650.51, 13,317.80 and 5,671.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,650.51 : 13,317.80 = 5,671.69 : x
2. Step 2: Convert to fraction form
   9,650.51/13,317.80 = 5,671.69/x
3. Step 3: Cross multiply
   9,650.51x = 13,317.80 × 5,671.69
4. Step 4: Simplify right side
   9,650.51x = 75,534,403.33
5. Step 5: Solve for x
   x = 75,534,403.33/9,650.51
6. Step 6: Final answer
   x = 7,826.99