Finding the Fourth Proportional to 161,064.02, 222,379.56 and 100,661.83

Step by Step Solution

1. Step 1: Write the proportion equation
   161,064.02 : 222,379.56 = 100,661.83 : x
2. Step 2: Convert to fraction form
   161,064.02/222,379.56 = 100,661.83/x
3. Step 3: Cross multiply
   161,064.02x = 222,379.56 × 100,661.83
4. Step 4: Simplify right side
   161,064.02x = 22,385,132,908.25
5. Step 5: Solve for x
   x = 22,385,132,908.25/161,064.02
6. Step 6: Final answer
   x = 138,982.83