Finding the Fourth Proportional to 89,436.47, 123,424.59 and 49,151.25

Step by Step Solution

1. Step 1: Write the proportion equation
   89,436.47 : 123,424.59 = 49,151.25 : x
2. Step 2: Convert to fraction form
   89,436.47/123,424.59 = 49,151.25/x
3. Step 3: Cross multiply
   89,436.47x = 123,424.59 × 49,151.25
4. Step 4: Simplify right side
   89,436.47x = 6,066,473,063.55
5. Step 5: Solve for x
   x = 6,066,473,063.55/89,436.47
6. Step 6: Final answer
   x = 67,829.97