Finding the Fourth Proportional to 23,137.39, 31,929.61 and 12,527.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,137.39 : 31,929.61 = 12,527.03 : x
2. Step 2: Convert to fraction form
   23,137.39/31,929.61 = 12,527.03/x
3. Step 3: Cross multiply
   23,137.39x = 31,929.61 × 12,527.03
4. Step 4: Simplify right side
   23,137.39x = 399,983,230.86
5. Step 5: Solve for x
   x = 399,983,230.86/23,137.39
6. Step 6: Final answer
   x = 17,287.31