Finding the Fourth Proportional to 100,783.82, 151,197.60 and 30,661.31

Step by Step Solution

1. Step 1: Write the proportion equation
   100,783.82 : 151,197.60 = 30,661.31 : x
2. Step 2: Convert to fraction form
   100,783.82/151,197.60 = 30,661.31/x
3. Step 3: Cross multiply
   100,783.82x = 151,197.60 × 30,661.31
4. Step 4: Simplify right side
   100,783.82x = 4,635,916,977.83
5. Step 5: Solve for x
   x = 4,635,916,977.83/100,783.82
6. Step 6: Final answer
   x = 45,998.62