Finding the Fourth Proportional to 106,016.43, 146,305.46 and 58,271.05

Step by Step Solution

1. Step 1: Write the proportion equation
   106,016.43 : 146,305.46 = 58,271.05 : x
2. Step 2: Convert to fraction form
   106,016.43/146,305.46 = 58,271.05/x
3. Step 3: Cross multiply
   106,016.43x = 146,305.46 × 58,271.05
4. Step 4: Simplify right side
   106,016.43x = 8,525,372,774.93
5. Step 5: Solve for x
   x = 8,525,372,774.93/106,016.43
6. Step 6: Final answer
   x = 80,415.58