Finding the Fourth Proportional to 106,144.69, 146,477.59 and 58,398.83

Step by Step Solution

1. Step 1: Write the proportion equation
   106,144.69 : 146,477.59 = 58,398.83 : x
2. Step 2: Convert to fraction form
   106,144.69/146,477.59 = 58,398.83/x
3. Step 3: Cross multiply
   106,144.69x = 146,477.59 × 58,398.83
4. Step 4: Simplify right side
   106,144.69x = 8,554,120,243.41
5. Step 5: Solve for x
   x = 8,554,120,243.41/106,144.69
6. Step 6: Final answer
   x = 80,589.25