Finding the Fourth Proportional to 89,608.14, 123,658.29 and 49,321.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,608.14 : 123,658.29 = 49,321.05 : x
2. Step 2: Convert to fraction form
   89,608.14/123,658.29 = 49,321.05/x
3. Step 3: Cross multiply
   89,608.14x = 123,658.29 × 49,321.05
4. Step 4: Simplify right side
   89,608.14x = 6,098,956,704.00
5. Step 5: Solve for x
   x = 6,098,956,704.00/89,608.14
6. Step 6: Final answer
   x = 68,062.53