Finding the Fourth Proportional to 89,356.69, 123,314.30 and 51,119.83

Step by Step Solution

1. Step 1: Write the proportion equation
   89,356.69 : 123,314.30 = 51,119.83 : x
2. Step 2: Convert to fraction form
   89,356.69/123,314.30 = 51,119.83/x
3. Step 3: Cross multiply
   89,356.69x = 123,314.30 × 51,119.83
4. Step 4: Simplify right side
   89,356.69x = 6,303,806,052.57
5. Step 5: Solve for x
   x = 6,303,806,052.57/89,356.69
6. Step 6: Final answer
   x = 70,546.55