Finding the Fourth Proportional to 876,399.35, 1,314,744.31 and 307,632.87

Step by Step Solution

1. Step 1: Write the proportion equation
   876,399.35 : 1,314,744.31 = 307,632.87 : x
2. Step 2: Convert to fraction form
   876,399.35/1,314,744.31 = 307,632.87/x
3. Step 3: Cross multiply
   876,399.35x = 1,314,744.31 × 307,632.87
4. Step 4: Simplify right side
   876,399.35x = 404,458,565,401.47
5. Step 5: Solve for x
   x = 404,458,565,401.47/876,399.35
6. Step 6: Final answer
   x = 461,500.30