Finding the Fourth Proportional to 89,150.88, 123,054.48 and 51,451.68

Step by Step Solution

1. Step 1: Write the proportion equation
   89,150.88 : 123,054.48 = 51,451.68 : x
2. Step 2: Convert to fraction form
   89,150.88/123,054.48 = 51,451.68/x
3. Step 3: Cross multiply
   89,150.88x = 123,054.48 × 51,451.68
4. Step 4: Simplify right side
   89,150.88x = 6,331,359,727.53
5. Step 5: Solve for x
   x = 6,331,359,727.53/89,150.88
6. Step 6: Final answer
   x = 71,018.48