Finding the Fourth Proportional to 89,359.48, 123,319.36 and 49,076.96

Step by Step Solution

1. Step 1: Write the proportion equation
   89,359.48 : 123,319.36 = 49,076.96 : x
2. Step 2: Convert to fraction form
   89,359.48/123,319.36 = 49,076.96/x
3. Step 3: Cross multiply
   89,359.48x = 123,319.36 × 49,076.96
4. Step 4: Simplify right side
   89,359.48x = 6,052,139,297.95
5. Step 5: Solve for x
   x = 6,052,139,297.95/89,359.48
6. Step 6: Final answer
   x = 67,728.00