Finding the Fourth Proportional to 89,816.49, 123,945.12 and 49,533.98

Step by Step Solution

1. Step 1: Write the proportion equation
   89,816.49 : 123,945.12 = 49,533.98 : x
2. Step 2: Convert to fraction form
   89,816.49/123,945.12 = 49,533.98/x
3. Step 3: Cross multiply
   89,816.49x = 123,945.12 × 49,533.98
4. Step 4: Simplify right side
   89,816.49x = 6,139,494,475.45
5. Step 5: Solve for x
   x = 6,139,494,475.45/89,816.49
6. Step 6: Final answer
   x = 68,355.98