Finding the Fourth Proportional to 16,485.61, 22,742.61 and 9,767.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,485.61 : 22,742.61 = 9,767.42 : x
2. Step 2: Convert to fraction form
   16,485.61/22,742.61 = 9,767.42/x
3. Step 3: Cross multiply
   16,485.61x = 22,742.61 × 9,767.42
4. Step 4: Simplify right side
   16,485.61x = 222,136,623.77
5. Step 5: Solve for x
   x = 222,136,623.77/16,485.61
6. Step 6: Final answer
   x = 13,474.58