Finding the Fourth Proportional to 31,010.82, 42,795.27 and 16,863.66

Step by Step Solution

1. Step 1: Write the proportion equation
   31,010.82 : 42,795.27 = 16,863.66 : x
2. Step 2: Convert to fraction form
   31,010.82/42,795.27 = 16,863.66/x
3. Step 3: Cross multiply
   31,010.82x = 42,795.27 × 16,863.66
4. Step 4: Simplify right side
   31,010.82x = 721,684,882.89
5. Step 5: Solve for x
   x = 721,684,882.89/31,010.82
6. Step 6: Final answer
   x = 23,272.03