Finding the Fourth Proportional to 10,371.62, 15,559.86 and 5,990.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,371.62 : 15,559.86 = 5,990.33 : x
2. Step 2: Convert to fraction form
   10,371.62/15,559.86 = 5,990.33/x
3. Step 3: Cross multiply
   10,371.62x = 15,559.86 × 5,990.33
4. Step 4: Simplify right side
   10,371.62x = 93,208,696.15
5. Step 5: Solve for x
   x = 93,208,696.15/10,371.62
6. Step 6: Final answer
   x = 8,986.90