Finding the Fourth Proportional to 9,386.42, 12,949.16 and 5,608.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,386.42 : 12,949.16 = 5,608.38 : x
2. Step 2: Convert to fraction form
   9,386.42/12,949.16 = 5,608.38/x
3. Step 3: Cross multiply
   9,386.42x = 12,949.16 × 5,608.38
4. Step 4: Simplify right side
   9,386.42x = 72,623,809.96
5. Step 5: Solve for x
   x = 72,623,809.96/9,386.42
6. Step 6: Final answer
   x = 7,737.11