Finding the Fourth Proportional to 105,908.52, 146,146.50 and 58,164.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,908.52 : 146,146.50 = 58,164.96 : x
2. Step 2: Convert to fraction form
   105,908.52/146,146.50 = 58,164.96/x
3. Step 3: Cross multiply
   105,908.52x = 146,146.50 × 58,164.96
4. Step 4: Simplify right side
   105,908.52x = 8,500,605,326.64
5. Step 5: Solve for x
   x = 8,500,605,326.64/105,908.52
6. Step 6: Final answer
   x = 80,263.66