Finding the Fourth Proportional to 23,171.32, 31,975.98 and 12,560.76

Step by Step Solution

1. Step 1: Write the proportion equation
   23,171.32 : 31,975.98 = 12,560.76 : x
2. Step 2: Convert to fraction form
   23,171.32/31,975.98 = 12,560.76/x
3. Step 3: Cross multiply
   23,171.32x = 31,975.98 × 12,560.76
4. Step 4: Simplify right side
   23,171.32x = 401,642,610.54
5. Step 5: Solve for x
   x = 401,642,610.54/23,171.32
6. Step 6: Final answer
   x = 17,333.61