Finding the Fourth Proportional to 309,061.38, 426,431.60 and 174,925.38

Step by Step Solution

1. Step 1: Write the proportion equation
   309,061.38 : 426,431.60 = 174,925.38 : x
2. Step 2: Convert to fraction form
   309,061.38/426,431.60 = 174,925.38/x
3. Step 3: Cross multiply
   309,061.38x = 426,431.60 × 174,925.38
4. Step 4: Simplify right side
   309,061.38x = 74,593,709,674.01
5. Step 5: Solve for x
   x = 74,593,709,674.01/309,061.38
6. Step 6: Final answer
   x = 241,355.65