Finding the Fourth Proportional to 105,867.38, 158,784.06 and 34,789.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,867.38 : 158,784.06 = 34,789.88 : x
2. Step 2: Convert to fraction form
   105,867.38/158,784.06 = 34,789.88/x
3. Step 3: Cross multiply
   105,867.38x = 158,784.06 × 34,789.88
4. Step 4: Simplify right side
   105,867.38x = 5,524,078,393.31
5. Step 5: Solve for x
   x = 5,524,078,393.31/105,867.38
6. Step 6: Final answer
   x = 52,179.23