Finding the Fourth Proportional to 16,116.84, 22,241.46 and 9,742.56

Step by Step Solution

1. Step 1: Write the proportion equation
   16,116.84 : 22,241.46 = 9,742.56 : x
2. Step 2: Convert to fraction form
   16,116.84/22,241.46 = 9,742.56/x
3. Step 3: Cross multiply
   16,116.84x = 22,241.46 × 9,742.56
4. Step 4: Simplify right side
   16,116.84x = 216,688,758.54
5. Step 5: Solve for x
   x = 216,688,758.54/16,116.84
6. Step 6: Final answer
   x = 13,444.87