Finding the Fourth Proportional to 23,182.69, 31,991.97 and 12,572.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,182.69 : 31,991.97 = 12,572.32 : x
2. Step 2: Convert to fraction form
   23,182.69/31,991.97 = 12,572.32/x
3. Step 3: Cross multiply
   23,182.69x = 31,991.97 × 12,572.32
4. Step 4: Simplify right side
   23,182.69x = 402,213,284.27
5. Step 5: Solve for x
   x = 402,213,284.27/23,182.69
6. Step 6: Final answer
   x = 17,349.72