Finding the Fourth Proportional to 16,521.72, 24,774.44 and 5,990.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521.72 : 24,774.44 = 5,990.16 : x
2. Step 2: Convert to fraction form
   16,521.72/24,774.44 = 5,990.16/x
3. Step 3: Cross multiply
   16,521.72x = 24,774.44 × 5,990.16
4. Step 4: Simplify right side
   16,521.72x = 148,402,859.51
5. Step 5: Solve for x
   x = 148,402,859.51/16,521.72
6. Step 6: Final answer
   x = 8,982.29