Finding the Fourth Proportional to 300,181.51, 414,272.98 and 171,123.06

Step by Step Solution

1. Step 1: Write the proportion equation
   300,181.51 : 414,272.98 = 171,123.06 : x
2. Step 2: Convert to fraction form
   300,181.51/414,272.98 = 171,123.06/x
3. Step 3: Cross multiply
   300,181.51x = 414,272.98 × 171,123.06
4. Step 4: Simplify right side
   300,181.51x = 70,891,660,012.92
5. Step 5: Solve for x
   x = 70,891,660,012.92/300,181.51
6. Step 6: Final answer
   x = 236,162.65