Finding the Fourth Proportional to 31,030.56, 42,822.18 and 16,883.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030.56 : 42,822.18 = 16,883.46 : x
2. Step 2: Convert to fraction form
   31,030.56/42,822.18 = 16,883.46/x
3. Step 3: Cross multiply
   31,030.56x = 42,822.18 × 16,883.46
4. Step 4: Simplify right side
   31,030.56x = 722,986,563.14
5. Step 5: Solve for x
   x = 722,986,563.14/31,030.56
6. Step 6: Final answer
   x = 23,299.18