Finding the Fourth Proportional to 23,155, 31,961.73 and 14,430.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,155 : 31,961.73 = 14,430.49 : x
2. Step 2: Convert to fraction form
   23,155/31,961.73 = 14,430.49/x
3. Step 3: Cross multiply
   23,155x = 31,961.73 × 14,430.49
4. Step 4: Simplify right side
   23,155x = 461,223,425.15
5. Step 5: Solve for x
   x = 461,223,425.15/23,155
6. Step 6: Final answer
   x = 19,918.96