Finding the Fourth Proportional to 23,143.52, 31,938.06 and 12,533.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,143.52 : 31,938.06 = 12,533.12 : x
2. Step 2: Convert to fraction form
   23,143.52/31,938.06 = 12,533.12/x
3. Step 3: Cross multiply
   23,143.52x = 31,938.06 × 12,533.12
4. Step 4: Simplify right side
   23,143.52x = 400,283,538.55
5. Step 5: Solve for x
   x = 400,283,538.55/23,143.52
6. Step 6: Final answer
   x = 17,295.71