Finding the Fourth Proportional to 16,383,776.55, 22,618,111.28 and 11,968,544.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,383,776.55 : 22,618,111.28 = 11,968,544.42 : x
2. Step 2: Convert to fraction form
   16,383,776.55/22,618,111.28 = 11,968,544.42/x
3. Step 3: Cross multiply
   16,383,776.55x = 22,618,111.28 × 11,968,544.42
4. Step 4: Simplify right side
   16,383,776.55x = 270,705,869,507,507.53
5. Step 5: Solve for x
   x = 270,705,869,507,507.53/16,383,776.55
6. Step 6: Final answer
   x = 16,522,800.39