Finding the Fourth Proportional to 655,456.58, 904,546.82 and 368,986.72

Step by Step Solution

1. Step 1: Write the proportion equation
   655,456.58 : 904,546.82 = 368,986.72 : x
2. Step 2: Convert to fraction form
   655,456.58/904,546.82 = 368,986.72/x
3. Step 3: Cross multiply
   655,456.58x = 904,546.82 × 368,986.72
4. Step 4: Simplify right side
   655,456.58x = 333,765,757,830.56
5. Step 5: Solve for x
   x = 333,765,757,830.56/655,456.58
6. Step 6: Final answer
   x = 509,211.09