Finding the Fourth Proportional to 23,602.56, 32,571.54 and 12,992.19

Step by Step Solution

1. Step 1: Write the proportion equation
   23,602.56 : 32,571.54 = 12,992.19 : x
2. Step 2: Convert to fraction form
   23,602.56/32,571.54 = 12,992.19/x
3. Step 3: Cross multiply
   23,602.56x = 32,571.54 × 12,992.19
4. Step 4: Simplify right side
   23,602.56x = 423,175,636.27
5. Step 5: Solve for x
   x = 423,175,636.27/23,602.56
6. Step 6: Final answer
   x = 17,929.23