Finding the Fourth Proportional to 9,587.32, 13,231.40 and 5,608.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,587.32 : 13,231.40 = 5,608.18 : x
2. Step 2: Convert to fraction form
   9,587.32/13,231.40 = 5,608.18/x
3. Step 3: Cross multiply
   9,587.32x = 13,231.40 × 5,608.18
4. Step 4: Simplify right side
   9,587.32x = 74,204,044.81
5. Step 5: Solve for x
   x = 74,204,044.81/9,587.32
6. Step 6: Final answer
   x = 7,739.81