Finding the Fourth Proportional to 23,165.09, 31,967.88 and 12,554.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,165.09 : 31,967.88 = 12,554.72 : x
2. Step 2: Convert to fraction form
   23,165.09/31,967.88 = 12,554.72/x
3. Step 3: Cross multiply
   23,165.09x = 31,967.88 × 12,554.72
4. Step 4: Simplify right side
   23,165.09x = 401,347,639.70
5. Step 5: Solve for x
   x = 401,347,639.70/23,165.09
6. Step 6: Final answer
   x = 17,325.54