Finding the Fourth Proportional to 9,639.93, 13,304.81 and 5,608.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,639.93 : 13,304.81 = 5,608.01 : x
2. Step 2: Convert to fraction form
   9,639.93/13,304.81 = 5,608.01/x
3. Step 3: Cross multiply
   9,639.93x = 13,304.81 × 5,608.01
4. Step 4: Simplify right side
   9,639.93x = 74,613,412.96
5. Step 5: Solve for x
   x = 74,613,412.96/9,639.93
6. Step 6: Final answer
   x = 7,740.04