Finding the Fourth Proportional to 635,321.82, 876,772.71 and 380,667.54

Step by Step Solution

1. Step 1: Write the proportion equation
   635,321.82 : 876,772.71 = 380,667.54 : x
2. Step 2: Convert to fraction form
   635,321.82/876,772.71 = 380,667.54/x
3. Step 3: Cross multiply
   635,321.82x = 876,772.71 × 380,667.54
4. Step 4: Simplify right side
   635,321.82x = 333,758,910,654.83
5. Step 5: Solve for x
   x = 333,758,910,654.83/635,321.82
6. Step 6: Final answer
   x = 525,338.34