Finding the Fourth Proportional to 89,774.16, 123,882.78 and 49,485.84

Step by Step Solution

1. Step 1: Write the proportion equation
   89,774.16 : 123,882.78 = 49,485.84 : x
2. Step 2: Convert to fraction form
   89,774.16/123,882.78 = 49,485.84/x
3. Step 3: Cross multiply
   89,774.16x = 123,882.78 × 49,485.84
4. Step 4: Simplify right side
   89,774.16x = 6,130,443,429.84
5. Step 5: Solve for x
   x = 6,130,443,429.84/89,774.16
6. Step 6: Final answer
   x = 68,287.39