Finding the Fourth Proportional to 23,182.86, 31,992.12 and 12,572.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,182.86 : 31,992.12 = 12,572.31 : x
2. Step 2: Convert to fraction form
   23,182.86/31,992.12 = 12,572.31/x
3. Step 3: Cross multiply
   23,182.86x = 31,992.12 × 12,572.31
4. Step 4: Simplify right side
   23,182.86x = 402,214,850.20
5. Step 5: Solve for x
   x = 402,214,850.20/23,182.86
6. Step 6: Final answer
   x = 17,349.66