Finding the Fourth Proportional to 31,836.42, 47,721.31 and 17,775.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,836.42 : 47,721.31 = 17,775.82 : x
2. Step 2: Convert to fraction form
   31,836.42/47,721.31 = 17,775.82/x
3. Step 3: Cross multiply
   31,836.42x = 47,721.31 × 17,775.82
4. Step 4: Simplify right side
   31,836.42x = 848,285,416.72
5. Step 5: Solve for x
   x = 848,285,416.72/31,836.42
6. Step 6: Final answer
   x = 26,645.13