Finding the Fourth Proportional to 101,917.98, 140,650.43 and 56,596.73

Step by Step Solution

1. Step 1: Write the proportion equation
   101,917.98 : 140,650.43 = 56,596.73 : x
2. Step 2: Convert to fraction form
   101,917.98/140,650.43 = 56,596.73/x
3. Step 3: Cross multiply
   101,917.98x = 140,650.43 × 56,596.73
4. Step 4: Simplify right side
   101,917.98x = 7,960,353,424.86
5. Step 5: Solve for x
   x = 7,960,353,424.86/101,917.98
6. Step 6: Final answer
   x = 78,105.49