Finding the Fourth Proportional to 555,016.98, 765,923.42 and 300,368.16

Step by Step Solution

1. Step 1: Write the proportion equation
   555,016.98 : 765,923.42 = 300,368.16 : x
2. Step 2: Convert to fraction form
   555,016.98/765,923.42 = 300,368.16/x
3. Step 3: Cross multiply
   555,016.98x = 765,923.42 × 300,368.16
4. Step 4: Simplify right side
   555,016.98x = 230,059,008,366.31
5. Step 5: Solve for x
   x = 230,059,008,366.31/555,016.98
6. Step 6: Final answer
   x = 414,508.05