Finding the Fourth Proportional to 16,487.98, 22,753.54 and 9,777

Step by Step Solution

1. Step 1: Write the proportion equation
   16,487.98 : 22,753.54 = 9,777 : x
2. Step 2: Convert to fraction form
   16,487.98/22,753.54 = 9,777/x
3. Step 3: Cross multiply
   16,487.98x = 22,753.54 × 9,777
4. Step 4: Simplify right side
   16,487.98x = 222,461,360.58
5. Step 5: Solve for x
   x = 222,461,360.58/16,487.98
6. Step 6: Final answer
   x = 13,492.34