Finding the Fourth Proportional to 89,610.69, 123,658.04 and 49,316.75

Step by Step Solution

1. Step 1: Write the proportion equation
   89,610.69 : 123,658.04 = 49,316.75 : x
2. Step 2: Convert to fraction form
   89,610.69/123,658.04 = 49,316.75/x
3. Step 3: Cross multiply
   89,610.69x = 123,658.04 × 49,316.75
4. Step 4: Simplify right side
   89,610.69x = 6,098,411,902.59
5. Step 5: Solve for x
   x = 6,098,411,902.59/89,610.69
6. Step 6: Final answer
   x = 68,054.52