Finding the Fourth Proportional to 10,521.72, 15,786.24 and 3,596.28

Step by Step Solution

1. Step 1: Write the proportion equation
   10,521.72 : 15,786.24 = 3,596.28 : x
2. Step 2: Convert to fraction form
   10,521.72/15,786.24 = 3,596.28/x
3. Step 3: Cross multiply
   10,521.72x = 15,786.24 × 3,596.28
4. Step 4: Simplify right side
   10,521.72x = 56,771,739.19
5. Step 5: Solve for x
   x = 56,771,739.19/10,521.72
6. Step 6: Final answer
   x = 5,395.67