Finding the Fourth Proportional to 89,469, 123,468.78 and 49,184.46

Step by Step Solution

1. Step 1: Write the proportion equation
   89,469 : 123,468.78 = 49,184.46 : x
2. Step 2: Convert to fraction form
   89,469/123,468.78 = 49,184.46/x
3. Step 3: Cross multiply
   89,469x = 123,468.78 × 49,184.46
4. Step 4: Simplify right side
   89,469x = 6,072,745,271.16
5. Step 5: Solve for x
   x = 6,072,745,271.16/89,469
6. Step 6: Final answer
   x = 67,875.41