Finding the Fourth Proportional to 23,147.69, 31,943.81 and 12,537.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,147.69 : 31,943.81 = 12,537.40 : x
2. Step 2: Convert to fraction form
   23,147.69/31,943.81 = 12,537.40/x
3. Step 3: Cross multiply
   23,147.69x = 31,943.81 × 12,537.40
4. Step 4: Simplify right side
   23,147.69x = 400,492,243.63
5. Step 5: Solve for x
   x = 400,492,243.63/23,147.69
6. Step 6: Final answer
   x = 17,301.61