Finding the Fourth Proportional to 16,499.84, 22,770.36 and 9,426.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,499.84 : 22,770.36 = 9,426.16 : x
2. Step 2: Convert to fraction form
   16,499.84/22,770.36 = 9,426.16/x
3. Step 3: Cross multiply
   16,499.84x = 22,770.36 × 9,426.16
4. Step 4: Simplify right side
   16,499.84x = 214,637,056.62
5. Step 5: Solve for x
   x = 214,637,056.62/16,499.84
6. Step 6: Final answer
   x = 13,008.43