Finding the Fourth Proportional to 862,353.83, 1,293,780.42 and 356,821.49

Step by Step Solution

1. Step 1: Write the proportion equation
   862,353.83 : 1,293,780.42 = 356,821.49 : x
2. Step 2: Convert to fraction form
   862,353.83/1,293,780.42 = 356,821.49/x
3. Step 3: Cross multiply
   862,353.83x = 1,293,780.42 × 356,821.49
4. Step 4: Simplify right side
   862,353.83x = 461,648,650,728.32
5. Step 5: Solve for x
   x = 461,648,650,728.32/862,353.83
6. Step 6: Final answer
   x = 535,335.54