Finding the Fourth Proportional to 31,010.52, 42,794.74 and 16,863.42

Step by Step Solution

1. Step 1: Write the proportion equation
   31,010.52 : 42,794.74 = 16,863.42 : x
2. Step 2: Convert to fraction form
   31,010.52/42,794.74 = 16,863.42/x
3. Step 3: Cross multiply
   31,010.52x = 42,794.74 × 16,863.42
4. Step 4: Simplify right side
   31,010.52x = 721,665,674.41
5. Step 5: Solve for x
   x = 721,665,674.41/31,010.52
6. Step 6: Final answer
   x = 23,271.64