Finding the Fourth Proportional to 23,144.10, 31,938.86 and 12,533.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,144.10 : 31,938.86 = 12,533.76 : x
2. Step 2: Convert to fraction form
   23,144.10/31,938.86 = 12,533.76/x
3. Step 3: Cross multiply
   23,144.10x = 31,938.86 × 12,533.76
4. Step 4: Simplify right side
   23,144.10x = 400,314,005.91
5. Step 5: Solve for x
   x = 400,314,005.91/23,144.10
6. Step 6: Final answer
   x = 17,296.59