Finding the Fourth Proportional to 256,162, 384,245.16 and 89,950

Step by Step Solution

1. Step 1: Write the proportion equation
   256,162 : 384,245.16 = 89,950 : x
2. Step 2: Convert to fraction form
   256,162/384,245.16 = 89,950/x
3. Step 3: Cross multiply
   256,162x = 384,245.16 × 89,950
4. Step 4: Simplify right side
   256,162x = 34,562,852,142
5. Step 5: Solve for x
   x = 34,562,852,142/256,162
6. Step 6: Final answer
   x = 134,925.76