Finding the Fourth Proportional to 314,927.91, 434,591.83 and 171,687.91

Step by Step Solution

1. Step 1: Write the proportion equation
   314,927.91 : 434,591.83 = 171,687.91 : x
2. Step 2: Convert to fraction form
   314,927.91/434,591.83 = 171,687.91/x
3. Step 3: Cross multiply
   314,927.91x = 434,591.83 × 171,687.91
4. Step 4: Simplify right side
   314,927.91x = 74,614,162,995.78
5. Step 5: Solve for x
   x = 74,614,162,995.78/314,927.91
6. Step 6: Final answer
   x = 236,924.58