Finding the Fourth Proportional to 21,956,499.68, 30,300,147.43 and 12,167,107.38

Step by Step Solution

1. Step 1: Write the proportion equation
   21,956,499.68 : 30,300,147.43 = 12,167,107.38 : x
2. Step 2: Convert to fraction form
   21,956,499.68/30,300,147.43 = 12,167,107.38/x
3. Step 3: Cross multiply
   21,956,499.68x = 30,300,147.43 × 12,167,107.38
4. Step 4: Simplify right side
   21,956,499.68x = 368,665,147,380,223.25
5. Step 5: Solve for x
   x = 368,665,147,380,223.25/21,956,499.68
6. Step 6: Final answer
   x = 16,790,706.75