Finding the Fourth Proportional to 23,569.92, 32,526.72 and 12,960.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,569.92 : 32,526.72 = 12,960.72 : x
2. Step 2: Convert to fraction form
   23,569.92/32,526.72 = 12,960.72/x
3. Step 3: Cross multiply
   23,569.92x = 32,526.72 × 12,960.72
4. Step 4: Simplify right side
   23,569.92x = 421,569,710.44
5. Step 5: Solve for x
   x = 421,569,710.44/23,569.92
6. Step 6: Final answer
   x = 17,885.92