Finding the Fourth Proportional to 105,853.15, 146,077.59 and 58,106.62

Step by Step Solution

1. Step 1: Write the proportion equation
   105,853.15 : 146,077.59 = 58,106.62 : x
2. Step 2: Convert to fraction form
   105,853.15/146,077.59 = 58,106.62/x
3. Step 3: Cross multiply
   105,853.15x = 146,077.59 × 58,106.62
4. Step 4: Simplify right side
   105,853.15x = 8,488,075,012.65
5. Step 5: Solve for x
   x = 8,488,075,012.65/105,853.15
6. Step 6: Final answer
   x = 80,187.27