Finding the Fourth Proportional to 31,175.31, 43,021.31 and 17,746.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,175.31 : 43,021.31 = 17,746.28 : x
2. Step 2: Convert to fraction form
   31,175.31/43,021.31 = 17,746.28/x
3. Step 3: Cross multiply
   31,175.31x = 43,021.31 × 17,746.28
4. Step 4: Simplify right side
   31,175.31x = 763,467,909.39
5. Step 5: Solve for x
   x = 763,467,909.39/31,175.31
6. Step 6: Final answer
   x = 24,489.50