Finding the Fourth Proportional to 105,805.10, 146,012.83 and 58,062.89

Step by Step Solution

1. Step 1: Write the proportion equation
   105,805.10 : 146,012.83 = 58,062.89 : x
2. Step 2: Convert to fraction form
   105,805.10/146,012.83 = 58,062.89/x
3. Step 3: Cross multiply
   105,805.10x = 146,012.83 × 58,062.89
4. Step 4: Simplify right side
   105,805.10x = 8,477,927,106.75
5. Step 5: Solve for x
   x = 8,477,927,106.75/105,805.10
6. Step 6: Final answer
   x = 80,127.77