Finding the Fourth Proportional to 308,137.47, 425,070.50 and 195,025.83

Step by Step Solution

1. Step 1: Write the proportion equation
   308,137.47 : 425,070.50 = 195,025.83 : x
2. Step 2: Convert to fraction form
   308,137.47/425,070.50 = 195,025.83/x
3. Step 3: Cross multiply
   308,137.47x = 425,070.50 × 195,025.83
4. Step 4: Simplify right side
   308,137.47x = 82,899,726,095.89
5. Step 5: Solve for x
   x = 82,899,726,095.89/308,137.47
6. Step 6: Final answer
   x = 269,034.88