Finding the Fourth Proportional to 89,212, 123,112.56 and 49,468

Step by Step Solution

1. Step 1: Write the proportion equation
   89,212 : 123,112.56 = 49,468 : x
2. Step 2: Convert to fraction form
   89,212/123,112.56 = 49,468/x
3. Step 3: Cross multiply
   89,212x = 123,112.56 × 49,468
4. Step 4: Simplify right side
   89,212x = 6,090,132,118.08
5. Step 5: Solve for x
   x = 6,090,132,118.08/89,212
6. Step 6: Final answer
   x = 68,265.84