Finding the Fourth Proportional to 300,077.10, 414,157.32 and 172,826.38

Step by Step Solution

1. Step 1: Write the proportion equation
   300,077.10 : 414,157.32 = 172,826.38 : x
2. Step 2: Convert to fraction form
   300,077.10/414,157.32 = 172,826.38/x
3. Step 3: Cross multiply
   300,077.10x = 414,157.32 × 172,826.38
4. Step 4: Simplify right side
   300,077.10x = 71,577,310,366.10
5. Step 5: Solve for x
   x = 71,577,310,366.10/300,077.10
6. Step 6: Final answer
   x = 238,529.73