Finding the Fourth Proportional to 105,958.32, 158,935.32 and 42,776.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105,958.32 : 158,935.32 = 42,776.76 : x
2. Step 2: Convert to fraction form
   105,958.32/158,935.32 = 42,776.76/x
3. Step 3: Cross multiply
   105,958.32x = 158,935.32 × 42,776.76
4. Step 4: Simplify right side
   105,958.32x = 6,798,738,039.16
5. Step 5: Solve for x
   x = 6,798,738,039.16/105,958.32
6. Step 6: Final answer
   x = 64,164.27