Finding the Fourth Proportional to 31,010.98, 42,795.49 and 16,863.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,010.98 : 42,795.49 = 16,863.82 : x
2. Step 2: Convert to fraction form
   31,010.98/42,795.49 = 16,863.82/x
3. Step 3: Cross multiply
   31,010.98x = 42,795.49 × 16,863.82
4. Step 4: Simplify right side
   31,010.98x = 721,695,443.01
5. Step 5: Solve for x
   x = 721,695,443.01/31,010.98
6. Step 6: Final answer
   x = 23,272.26