Finding the Fourth Proportional to 89,216.25, 123,118.43 and 49,472.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,216.25 : 123,118.43 = 49,472.25 : x
2. Step 2: Convert to fraction form
   89,216.25/123,118.43 = 49,472.25/x
3. Step 3: Cross multiply
   89,216.25x = 123,118.43 × 49,472.25
4. Step 4: Simplify right side
   89,216.25x = 6,090,945,501.21
5. Step 5: Solve for x
   x = 6,090,945,501.21/89,216.25
6. Step 6: Final answer
   x = 68,271.71