Finding the Fourth Proportional to 89,247.69, 123,169.59 and 48,969.21

Step by Step Solution

1. Step 1: Write the proportion equation
   89,247.69 : 123,169.59 = 48,969.21 : x
2. Step 2: Convert to fraction form
   89,247.69/123,169.59 = 48,969.21/x
3. Step 3: Cross multiply
   89,247.69x = 123,169.59 × 48,969.21
4. Step 4: Simplify right side
   89,247.69x = 6,031,517,518.32
5. Step 5: Solve for x
   x = 6,031,517,518.32/89,247.69
6. Step 6: Final answer
   x = 67,581.78