Finding the Fourth Proportional to 101,661.82, 152,440.89 and 42,481.60

Step by Step Solution

1. Step 1: Write the proportion equation
   101,661.82 : 152,440.89 = 42,481.60 : x
2. Step 2: Convert to fraction form
   101,661.82/152,440.89 = 42,481.60/x
3. Step 3: Cross multiply
   101,661.82x = 152,440.89 × 42,481.60
4. Step 4: Simplify right side
   101,661.82x = 6,475,932,912.62
5. Step 5: Solve for x
   x = 6,475,932,912.62/101,661.82
6. Step 6: Final answer
   x = 63,700.74