Finding the Fourth Proportional to 105,426.18, 158,139.42 and 43,096.68

Step by Step Solution

1. Step 1: Write the proportion equation
   105,426.18 : 158,139.42 = 43,096.68 : x
2. Step 2: Convert to fraction form
   105,426.18/158,139.42 = 43,096.68/x
3. Step 3: Cross multiply
   105,426.18x = 158,139.42 × 43,096.68
4. Step 4: Simplify right side
   105,426.18x = 6,815,283,979.13
5. Step 5: Solve for x
   x = 6,815,283,979.13/105,426.18
6. Step 6: Final answer
   x = 64,645.08