Finding the Fourth Proportional to 89,688, 123,773.28 and 49,944

Step by Step Solution

1. Step 1: Write the proportion equation
   89,688 : 123,773.28 = 49,944 : x
2. Step 2: Convert to fraction form
   89,688/123,773.28 = 49,944/x
3. Step 3: Cross multiply
   89,688x = 123,773.28 × 49,944
4. Step 4: Simplify right side
   89,688x = 6,181,732,696.32
5. Step 5: Solve for x
   x = 6,181,732,696.32/89,688
6. Step 6: Final answer
   x = 68,924.86