Finding the Fourth Proportional to 149,499.45, 224,413.20 and 82,905.30

Step by Step Solution

1. Step 1: Write the proportion equation
   149,499.45 : 224,413.20 = 82,905.30 : x
2. Step 2: Convert to fraction form
   149,499.45/224,413.20 = 82,905.30/x
3. Step 3: Cross multiply
   149,499.45x = 224,413.20 × 82,905.30
4. Step 4: Simplify right side
   149,499.45x = 18,605,043,669.96
5. Step 5: Solve for x
   x = 18,605,043,669.96/149,499.45
6. Step 6: Final answer
   x = 124,448.91