Finding the Fourth Proportional to 9,535.29, 14,308.53 and 3,988.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,535.29 : 14,308.53 = 3,988.18 : x
2. Step 2: Convert to fraction form
   9,535.29/14,308.53 = 3,988.18/x
3. Step 3: Cross multiply
   9,535.29x = 14,308.53 × 3,988.18
4. Step 4: Simplify right side
   9,535.29x = 57,064,993.18
5. Step 5: Solve for x
   x = 57,064,993.18/9,535.29
6. Step 6: Final answer
   x = 5,984.61