Finding the Fourth Proportional to 31,456.64, 43,406.52 and 17,308.64

Step by Step Solution

1. Step 1: Write the proportion equation
   31,456.64 : 43,406.52 = 17,308.64 : x
2. Step 2: Convert to fraction form
   31,456.64/43,406.52 = 17,308.64/x
3. Step 3: Cross multiply
   31,456.64x = 43,406.52 × 17,308.64
4. Step 4: Simplify right side
   31,456.64x = 751,307,828.33
5. Step 5: Solve for x
   x = 751,307,828.33/31,456.64
6. Step 6: Final answer
   x = 23,883.92