Finding the Fourth Proportional to 300,573.94, 414,784 and 171,510.07

Step by Step Solution

1. Step 1: Write the proportion equation
   300,573.94 : 414,784 = 171,510.07 : x
2. Step 2: Convert to fraction form
   300,573.94/414,784 = 171,510.07/x
3. Step 3: Cross multiply
   300,573.94x = 414,784 × 171,510.07
4. Step 4: Simplify right side
   300,573.94x = 71,139,632,874.88
5. Step 5: Solve for x
   x = 71,139,632,874.88/300,573.94
6. Step 6: Final answer
   x = 236,679.31