Finding the Fourth Proportional to 23,086.06, 31,858.72 and 12,475.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,086.06 : 31,858.72 = 12,475.69 : x
2. Step 2: Convert to fraction form
   23,086.06/31,858.72 = 12,475.69/x
3. Step 3: Cross multiply
   23,086.06x = 31,858.72 × 12,475.69
4. Step 4: Simplify right side
   23,086.06x = 397,459,403.68
5. Step 5: Solve for x
   x = 397,459,403.68/23,086.06
6. Step 6: Final answer
   x = 17,216.42