Finding the Fourth Proportional to 140,166.48, 193,454.82 and 83,581.50

Step by Step Solution

1. Step 1: Write the proportion equation
   140,166.48 : 193,454.82 = 83,581.50 : x
2. Step 2: Convert to fraction form
   140,166.48/193,454.82 = 83,581.50/x
3. Step 3: Cross multiply
   140,166.48x = 193,454.82 × 83,581.50
4. Step 4: Simplify right side
   140,166.48x = 16,169,244,037.83
5. Step 5: Solve for x
   x = 16,169,244,037.83/140,166.48
6. Step 6: Final answer
   x = 115,357.42