Finding the Fourth Proportional to 23,143.84, 31,938.52 and 12,533.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,143.84 : 31,938.52 = 12,533.49 : x
2. Step 2: Convert to fraction form
   23,143.84/31,938.52 = 12,533.49/x
3. Step 3: Cross multiply
   23,143.84x = 31,938.52 × 12,533.49
4. Step 4: Simplify right side
   23,143.84x = 400,301,121.03
5. Step 5: Solve for x
   x = 400,301,121.03/23,143.84
6. Step 6: Final answer
   x = 17,296.23