Finding the Fourth Proportional to 308,105, 425,112.02 and 178,966.76

Step by Step Solution

1. Step 1: Write the proportion equation
   308,105 : 425,112.02 = 178,966.76 : x
2. Step 2: Convert to fraction form
   308,105/425,112.02 = 178,966.76/x
3. Step 3: Cross multiply
   308,105x = 425,112.02 × 178,966.76
4. Step 4: Simplify right side
   308,105x = 76,080,920,856.46
5. Step 5: Solve for x
   x = 76,080,920,856.46/308,105
6. Step 6: Final answer
   x = 246,931.80