Finding the Fourth Proportional to 868,882.37, 1,303,003.69 and 300,117.48

Step by Step Solution

1. Step 1: Write the proportion equation
   868,882.37 : 1,303,003.69 = 300,117.48 : x
2. Step 2: Convert to fraction form
   868,882.37/1,303,003.69 = 300,117.48/x
3. Step 3: Cross multiply
   868,882.37x = 1,303,003.69 × 300,117.48
4. Step 4: Simplify right side
   868,882.37x = 391,054,182,745.72
5. Step 5: Solve for x
   x = 391,054,182,745.72/868,882.37
6. Step 6: Final answer
   x = 450,065.74