Finding the Fourth Proportional to 31,564.82, 47,286.49 and 19,723.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,564.82 : 47,286.49 = 19,723.25 : x
2. Step 2: Convert to fraction form
   31,564.82/47,286.49 = 19,723.25/x
3. Step 3: Cross multiply
   31,564.82x = 47,286.49 × 19,723.25
4. Step 4: Simplify right side
   31,564.82x = 932,643,159.27
5. Step 5: Solve for x
   x = 932,643,159.27/31,564.82
6. Step 6: Final answer
   x = 29,546.92