Finding the Fourth Proportional to 9,675.12, 13,350.69 and 5,641.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,675.12 : 13,350.69 = 5,641.32 : x
2. Step 2: Convert to fraction form
   9,675.12/13,350.69 = 5,641.32/x
3. Step 3: Cross multiply
   9,675.12x = 13,350.69 × 5,641.32
4. Step 4: Simplify right side
   9,675.12x = 75,315,514.51
5. Step 5: Solve for x
   x = 75,315,514.51/9,675.12
6. Step 6: Final answer
   x = 7,784.45