Finding the Fourth Proportional to 31,253.46, 43,089.04 and 19,918.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,253.46 : 43,089.04 = 19,918.82 : x
2. Step 2: Convert to fraction form
   31,253.46/43,089.04 = 19,918.82/x
3. Step 3: Cross multiply
   31,253.46x = 43,089.04 × 19,918.82
4. Step 4: Simplify right side
   31,253.46x = 858,282,831.73
5. Step 5: Solve for x
   x = 858,282,831.73/31,253.46
6. Step 6: Final answer
   x = 27,462.01