Finding the Fourth Proportional to 23,086.04, 31,858.72 and 12,475.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,086.04 : 31,858.72 = 12,475.64 : x
2. Step 2: Convert to fraction form
   23,086.04/31,858.72 = 12,475.64/x
3. Step 3: Cross multiply
   23,086.04x = 31,858.72 × 12,475.64
4. Step 4: Simplify right side
   23,086.04x = 397,457,921.58
5. Step 5: Solve for x
   x = 397,457,921.58/23,086.04
6. Step 6: Final answer
   x = 17,216.37