Finding the Fourth Proportional to 16,521.48, 24,777 and 5,426.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,521.48 : 24,777 = 5,426.34 : x
2. Step 2: Convert to fraction form
   16,521.48/24,777 = 5,426.34/x
3. Step 3: Cross multiply
   16,521.48x = 24,777 × 5,426.34
4. Step 4: Simplify right side
   16,521.48x = 134,448,426.18
5. Step 5: Solve for x
   x = 134,448,426.18/16,521.48
6. Step 6: Final answer
   x = 8,137.80