Finding the Fourth Proportional to 9,568.88, 13,205.06 and 5,377.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,568.88 : 13,205.06 = 5,377.16 : x
2. Step 2: Convert to fraction form
   9,568.88/13,205.06 = 5,377.16/x
3. Step 3: Cross multiply
   9,568.88x = 13,205.06 × 5,377.16
4. Step 4: Simplify right side
   9,568.88x = 71,005,720.43
5. Step 5: Solve for x
   x = 71,005,720.43/9,568.88
6. Step 6: Final answer
   x = 7,420.48