Finding the Fourth Proportional to 876,448.78, 1,314,818.52 and 307,682.26

Step by Step Solution

1. Step 1: Write the proportion equation
   876,448.78 : 1,314,818.52 = 307,682.26 : x
2. Step 2: Convert to fraction form
   876,448.78/1,314,818.52 = 307,682.26/x
3. Step 3: Cross multiply
   876,448.78x = 1,314,818.52 × 307,682.26
4. Step 4: Simplify right side
   876,448.78x = 404,546,333,723.46
5. Step 5: Solve for x
   x = 404,546,333,723.46/876,448.78
6. Step 6: Final answer
   x = 461,574.42