Finding the Fourth Proportional to 105,971.09, 158,979.71 and 34,900.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,971.09 : 158,979.71 = 34,900.88 : x
2. Step 2: Convert to fraction form
   105,971.09/158,979.71 = 34,900.88/x
3. Step 3: Cross multiply
   105,971.09x = 158,979.71 × 34,900.88
4. Step 4: Simplify right side
   105,971.09x = 5,548,531,073.50
5. Step 5: Solve for x
   x = 5,548,531,073.50/105,971.09
6. Step 6: Final answer
   x = 52,358.92