Finding the Fourth Proportional to 23,144.06, 31,938.79 and 12,533.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,144.06 : 31,938.79 = 12,533.69 : x
2. Step 2: Convert to fraction form
   23,144.06/31,938.79 = 12,533.69/x
3. Step 3: Cross multiply
   23,144.06x = 31,938.79 × 12,533.69
4. Step 4: Simplify right side
   23,144.06x = 400,310,892.84
5. Step 5: Solve for x
   x = 400,310,892.84/23,144.06
6. Step 6: Final answer
   x = 17,296.49