Finding the Fourth Proportional to 105,969.14, 146,237.29 and 58,222.37

Step by Step Solution

1. Step 1: Write the proportion equation
   105,969.14 : 146,237.29 = 58,222.37 : x
2. Step 2: Convert to fraction form
   105,969.14/146,237.29 = 58,222.37/x
3. Step 3: Cross multiply
   105,969.14x = 146,237.29 × 58,222.37
4. Step 4: Simplify right side
   105,969.14x = 8,514,280,729.43
5. Step 5: Solve for x
   x = 8,514,280,729.43/105,969.14
6. Step 6: Final answer
   x = 80,346.80