Finding the Fourth Proportional to 105,422.72, 158,133.88 and 34,345.27

Step by Step Solution

1. Step 1: Write the proportion equation
   105,422.72 : 158,133.88 = 34,345.27 : x
2. Step 2: Convert to fraction form
   105,422.72/158,133.88 = 34,345.27/x
3. Step 3: Cross multiply
   105,422.72x = 158,133.88 × 34,345.27
4. Step 4: Simplify right side
   105,422.72x = 5,431,150,804.75
5. Step 5: Solve for x
   x = 5,431,150,804.75/105,422.72
6. Step 6: Final answer
   x = 51,517.84