Finding the Fourth Proportional to 105,426.48, 158,139.86 and 43,096.98

Step by Step Solution

1. Step 1: Write the proportion equation
   105,426.48 : 158,139.86 = 43,096.98 : x
2. Step 2: Convert to fraction form
   105,426.48/158,139.86 = 43,096.98/x
3. Step 3: Cross multiply
   105,426.48x = 158,139.86 × 43,096.98
4. Step 4: Simplify right side
   105,426.48x = 6,815,350,383.62
5. Step 5: Solve for x
   x = 6,815,350,383.62/105,426.48
6. Step 6: Final answer
   x = 64,645.53