Finding the Fourth Proportional to 105,897.33, 146,140.70 and 58,150.89

Step by Step Solution

1. Step 1: Write the proportion equation
   105,897.33 : 146,140.70 = 58,150.89 : x
2. Step 2: Convert to fraction form
   105,897.33/146,140.70 = 58,150.89/x
3. Step 3: Cross multiply
   105,897.33x = 146,140.70 × 58,150.89
4. Step 4: Simplify right side
   105,897.33x = 8,498,211,479.47
5. Step 5: Solve for x
   x = 8,498,211,479.47/105,897.33
6. Step 6: Final answer
   x = 80,249.53