Finding the Fourth Proportional to 23,003.24, 31,742.26 and 12,929.36

Step by Step Solution

1. Step 1: Write the proportion equation
   23,003.24 : 31,742.26 = 12,929.36 : x
2. Step 2: Convert to fraction form
   23,003.24/31,742.26 = 12,929.36/x
3. Step 3: Cross multiply
   23,003.24x = 31,742.26 × 12,929.36
4. Step 4: Simplify right side
   23,003.24x = 410,406,915.72
5. Step 5: Solve for x
   x = 410,406,915.72/23,003.24
6. Step 6: Final answer
   x = 17,841.27