Finding the Fourth Proportional to 16,492.12, 22,757.98 and 9,777.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,492.12 : 22,757.98 = 9,777.40 : x
2. Step 2: Convert to fraction form
   16,492.12/22,757.98 = 9,777.40/x
3. Step 3: Cross multiply
   16,492.12x = 22,757.98 × 9,777.40
4. Step 4: Simplify right side
   16,492.12x = 222,513,873.65
5. Step 5: Solve for x
   x = 222,513,873.65/16,492.12
6. Step 6: Final answer
   x = 13,492.13