Finding the Fourth Proportional to 23,570.16, 32,526.72 and 12,960.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,570.16 : 32,526.72 = 12,960.36 : x
2. Step 2: Convert to fraction form
   23,570.16/32,526.72 = 12,960.36/x
3. Step 3: Cross multiply
   23,570.16x = 32,526.72 × 12,960.36
4. Step 4: Simplify right side
   23,570.16x = 421,558,000.82
5. Step 5: Solve for x
   x = 421,558,000.82/23,570.16
6. Step 6: Final answer
   x = 17,885.24