Finding the Fourth Proportional to 31,074.56, 42,882.90 and 16,927.40

Step by Step Solution

1. Step 1: Write the proportion equation
   31,074.56 : 42,882.90 = 16,927.40 : x
2. Step 2: Convert to fraction form
   31,074.56/42,882.90 = 16,927.40/x
3. Step 3: Cross multiply
   31,074.56x = 42,882.90 × 16,927.40
4. Step 4: Simplify right side
   31,074.56x = 725,896,140.41
5. Step 5: Solve for x
   x = 725,896,140.41/31,074.56
6. Step 6: Final answer
   x = 23,359.82