Finding the Fourth Proportional to 9,371.68, 12,930.78 and 5,596.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,371.68 : 12,930.78 = 5,596.07 : x
2. Step 2: Convert to fraction form
   9,371.68/12,930.78 = 5,596.07/x
3. Step 3: Cross multiply
   9,371.68x = 12,930.78 × 5,596.07
4. Step 4: Simplify right side
   9,371.68x = 72,361,485.38
5. Step 5: Solve for x
   x = 72,361,485.38/9,371.68
6. Step 6: Final answer
   x = 7,721.30