Finding the Fourth Proportional to 314,834.37, 434,480.54 and 171,603.69

Step by Step Solution

1. Step 1: Write the proportion equation
   314,834.37 : 434,480.54 = 171,603.69 : x
2. Step 2: Convert to fraction form
   314,834.37/434,480.54 = 171,603.69/x
3. Step 3: Cross multiply
   314,834.37x = 434,480.54 × 171,603.69
4. Step 4: Simplify right side
   314,834.37x = 74,558,463,039.17
5. Step 5: Solve for x
   x = 74,558,463,039.17/314,834.37
6. Step 6: Final answer
   x = 236,818.05