Finding the Fourth Proportional to 105,895.52, 146,128.58 and 58,151.96

Step by Step Solution

1. Step 1: Write the proportion equation
   105,895.52 : 146,128.58 = 58,151.96 : x
2. Step 2: Convert to fraction form
   105,895.52/146,128.58 = 58,151.96/x
3. Step 3: Cross multiply
   105,895.52x = 146,128.58 × 58,151.96
4. Step 4: Simplify right side
   105,895.52x = 8,497,663,339.02
5. Step 5: Solve for x
   x = 8,497,663,339.02/105,895.52
6. Step 6: Final answer
   x = 80,245.73