Finding the Fourth Proportional to 31,012.00, 42,796.35 and 16,864.81

Step by Step Solution

1. Step 1: Write the proportion equation
   31,012.00 : 42,796.35 = 16,864.81 : x
2. Step 2: Convert to fraction form
   31,012.00/42,796.35 = 16,864.81/x
3. Step 3: Cross multiply
   31,012.00x = 42,796.35 × 16,864.81
4. Step 4: Simplify right side
   31,012.00x = 721,752,204.45
5. Step 5: Solve for x
   x = 721,752,204.45/31,012.00
6. Step 6: Final answer
   x = 23,273.32