Finding the Fourth Proportional to 23,166.72, 31,950.72 and 18,967.68

Step by Step Solution

1. Step 1: Write the proportion equation
   23,166.72 : 31,950.72 = 18,967.68 : x
2. Step 2: Convert to fraction form
   23,166.72/31,950.72 = 18,967.68/x
3. Step 3: Cross multiply
   23,166.72x = 31,950.72 × 18,967.68
4. Step 4: Simplify right side
   23,166.72x = 606,031,032.73
5. Step 5: Solve for x
   x = 606,031,032.73/23,166.72
6. Step 6: Final answer
   x = 26,159.55