Finding the Fourth Proportional to 105,361.47, 158,042.34 and 43,031.97

Step by Step Solution

1. Step 1: Write the proportion equation
   105,361.47 : 158,042.34 = 43,031.97 : x
2. Step 2: Convert to fraction form
   105,361.47/158,042.34 = 43,031.97/x
3. Step 3: Cross multiply
   105,361.47x = 158,042.34 × 43,031.97
4. Step 4: Simplify right side
   105,361.47x = 6,800,873,233.61
5. Step 5: Solve for x
   x = 6,800,873,233.61/105,361.47
6. Step 6: Final answer
   x = 64,548.01