Finding the Fourth Proportional to 31,030.38, 42,822.81 and 16,884.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030.38 : 42,822.81 = 16,884.18 : x
2. Step 2: Convert to fraction form
   31,030.38/42,822.81 = 16,884.18/x
3. Step 3: Cross multiply
   31,030.38x = 42,822.81 × 16,884.18
4. Step 4: Simplify right side
   31,030.38x = 723,028,032.15
5. Step 5: Solve for x
   x = 723,028,032.15/31,030.38
6. Step 6: Final answer
   x = 23,300.65