Finding the Fourth Proportional to 9,568.79, 13,204.86 and 5,377.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,568.79 : 13,204.86 = 5,377.04 : x
2. Step 2: Convert to fraction form
   9,568.79/13,204.86 = 5,377.04/x
3. Step 3: Cross multiply
   9,568.79x = 13,204.86 × 5,377.04
4. Step 4: Simplify right side
   9,568.79x = 71,003,060.41
5. Step 5: Solve for x
   x = 71,003,060.41/9,568.79
6. Step 6: Final answer
   x = 7,420.28