Finding the Fourth Proportional to 105,993.63, 146,279.34 and 60,685.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105,993.63 : 146,279.34 = 60,685.83 : x
2. Step 2: Convert to fraction form
   105,993.63/146,279.34 = 60,685.83/x
3. Step 3: Cross multiply
   105,993.63x = 146,279.34 × 60,685.83
4. Step 4: Simplify right side
   105,993.63x = 8,877,083,159.75
5. Step 5: Solve for x
   x = 8,877,083,159.75/105,993.63
6. Step 6: Final answer
   x = 83,751.10