Finding the Fourth Proportional to 23,169,419.33, 31,974,019.13 and 12,857,101.97

Step by Step Solution

1. Step 1: Write the proportion equation
   23,169,419.33 : 31,974,019.13 = 12,857,101.97 : x
2. Step 2: Convert to fraction form
   23,169,419.33/31,974,019.13 = 12,857,101.97/x
3. Step 3: Cross multiply
   23,169,419.33x = 31,974,019.13 × 12,857,101.97
4. Step 4: Simplify right side
   23,169,419.33x = 411,093,224,345,140.69
5. Step 5: Solve for x
   x = 411,093,224,345,140.69/23,169,419.33
6. Step 6: Final answer
   x = 17,742,923.05