Finding the Fourth Proportional to 105,439.53, 158,143.03 and 34,361.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,439.53 : 158,143.03 = 34,361.98 : x
2. Step 2: Convert to fraction form
   105,439.53/158,143.03 = 34,361.98/x
3. Step 3: Cross multiply
   105,439.53x = 158,143.03 × 34,361.98
4. Step 4: Simplify right side
   105,439.53x = 5,434,107,634.00
5. Step 5: Solve for x
   x = 5,434,107,634.00/105,439.53
6. Step 6: Final answer
   x = 51,537.67