Finding the Fourth Proportional to 23,147.88, 31,944.06 and 12,537.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,147.88 : 31,944.06 = 12,537.72 : x
2. Step 2: Convert to fraction form
   23,147.88/31,944.06 = 12,537.72/x
3. Step 3: Cross multiply
   23,147.88x = 31,944.06 × 12,537.72
4. Step 4: Simplify right side
   23,147.88x = 400,505,679.94
5. Step 5: Solve for x
   x = 400,505,679.94/23,147.88
6. Step 6: Final answer
   x = 17,302.05