Finding the Fourth Proportional to 161,050.18, 222,249.95 and 89,429.98

Step by Step Solution

1. Step 1: Write the proportion equation
   161,050.18 : 222,249.95 = 89,429.98 : x
2. Step 2: Convert to fraction form
   161,050.18/222,249.95 = 89,429.98/x
3. Step 3: Cross multiply
   161,050.18x = 222,249.95 × 89,429.98
4. Step 4: Simplify right side
   161,050.18x = 19,875,808,583.50
5. Step 5: Solve for x
   x = 19,875,808,583.50/161,050.18
6. Step 6: Final answer
   x = 123,413.76