Finding the Fourth Proportional to 23,572.69, 32,530.34 and 12,962.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,572.69 : 32,530.34 = 12,962.09 : x
2. Step 2: Convert to fraction form
   23,572.69/32,530.34 = 12,962.09/x
3. Step 3: Cross multiply
   23,572.69x = 32,530.34 × 12,962.09
4. Step 4: Simplify right side
   23,572.69x = 421,661,308.54
5. Step 5: Solve for x
   x = 421,661,308.54/23,572.69
6. Step 6: Final answer
   x = 17,887.71