Finding the Fourth Proportional to 105,454.56, 158,198.34 and 34,360.69

Step by Step Solution

1. Step 1: Write the proportion equation
   105,454.56 : 158,198.34 = 34,360.69 : x
2. Step 2: Convert to fraction form
   105,454.56/158,198.34 = 34,360.69/x
3. Step 3: Cross multiply
   105,454.56x = 158,198.34 × 34,360.69
4. Step 4: Simplify right side
   105,454.56x = 5,435,804,119.25
5. Step 5: Solve for x
   x = 5,435,804,119.25/105,454.56
6. Step 6: Final answer
   x = 51,546.41