Finding the Fourth Proportional to 31,112.83, 42,934.28 and 19,033.41

Step by Step Solution

1. Step 1: Write the proportion equation
   31,112.83 : 42,934.28 = 19,033.41 : x
2. Step 2: Convert to fraction form
   31,112.83/42,934.28 = 19,033.41/x
3. Step 3: Cross multiply
   31,112.83x = 42,934.28 × 19,033.41
4. Step 4: Simplify right side
   31,112.83x = 817,185,754.29
5. Step 5: Solve for x
   x = 817,185,754.29/31,112.83
6. Step 6: Final answer
   x = 26,265.23