Finding the Fourth Proportional to 105,952.72, 146,211.93 and 58,206.16

Step by Step Solution

1. Step 1: Write the proportion equation
   105,952.72 : 146,211.93 = 58,206.16 : x
2. Step 2: Convert to fraction form
   105,952.72/146,211.93 = 58,206.16/x
3. Step 3: Cross multiply
   105,952.72x = 146,211.93 × 58,206.16
4. Step 4: Simplify right side
   105,952.72x = 8,510,434,991.49
5. Step 5: Solve for x
   x = 8,510,434,991.49/105,952.72
6. Step 6: Final answer
   x = 80,322.95