Finding the Fourth Proportional to 673,443.31, 1,010,140.36 and 200,116.37

Step by Step Solution

1. Step 1: Write the proportion equation
   673,443.31 : 1,010,140.36 = 200,116.37 : x
2. Step 2: Convert to fraction form
   673,443.31/1,010,140.36 = 200,116.37/x
3. Step 3: Cross multiply
   673,443.31x = 1,010,140.36 × 200,116.37
4. Step 4: Simplify right side
   673,443.31x = 202,145,622,033.69
5. Step 5: Solve for x
   x = 202,145,622,033.69/673,443.31
6. Step 6: Final answer
   x = 300,167.24