Finding the Fourth Proportional to 101,971.86, 140,658.82 and 60,550.78

Step by Step Solution

1. Step 1: Write the proportion equation
   101,971.86 : 140,658.82 = 60,550.78 : x
2. Step 2: Convert to fraction form
   101,971.86/140,658.82 = 60,550.78/x
3. Step 3: Cross multiply
   101,971.86x = 140,658.82 × 60,550.78
4. Step 4: Simplify right side
   101,971.86x = 8,517,001,264.88
5. Step 5: Solve for x
   x = 8,517,001,264.88/101,971.86
6. Step 6: Final answer
   x = 83,523.05