Finding the Fourth Proportional to 263,401.93, 395,191.59 and 83,516.73

Step by Step Solution

1. Step 1: Write the proportion equation
   263,401.93 : 395,191.59 = 83,516.73 : x
2. Step 2: Convert to fraction form
   263,401.93/395,191.59 = 83,516.73/x
3. Step 3: Cross multiply
   263,401.93x = 395,191.59 × 83,516.73
4. Step 4: Simplify right side
   263,401.93x = 33,005,109,320.30
5. Step 5: Solve for x
   x = 33,005,109,320.30/263,401.93
6. Step 6: Final answer
   x = 125,303.22