Finding the Fourth Proportional to 9,588.81, 13,233.78 and 5,397.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,588.81 : 13,233.78 = 5,397.87 : x
2. Step 2: Convert to fraction form
   9,588.81/13,233.78 = 5,397.87/x
3. Step 3: Cross multiply
   9,588.81x = 13,233.78 × 5,397.87
4. Step 4: Simplify right side
   9,588.81x = 71,434,224.05
5. Step 5: Solve for x
   x = 71,434,224.05/9,588.81
6. Step 6: Final answer
   x = 7,449.75