Finding the Fourth Proportional to 189,413.89, 283,892.37 and 82,752.09

Step by Step Solution

1. Step 1: Write the proportion equation
   189,413.89 : 283,892.37 = 82,752.09 : x
2. Step 2: Convert to fraction form
   189,413.89/283,892.37 = 82,752.09/x
3. Step 3: Cross multiply
   189,413.89x = 283,892.37 × 82,752.09
4. Step 4: Simplify right side
   189,413.89x = 23,492,686,952.55
5. Step 5: Solve for x
   x = 23,492,686,952.55/189,413.89
6. Step 6: Final answer
   x = 124,028.32