Finding the Fourth Proportional to 3,383,016.76, 5,074,542.18 and 858,672.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,383,016.76 : 5,074,542.18 = 858,672.82 : x
2. Step 2: Convert to fraction form
   3,383,016.76/5,074,542.18 = 858,672.82/x
3. Step 3: Cross multiply
   3,383,016.76x = 5,074,542.18 × 858,672.82
4. Step 4: Simplify right side
   3,383,016.76x = 4,357,371,443,909.55
5. Step 5: Solve for x
   x = 4,357,371,443,909.55/3,383,016.76
6. Step 6: Final answer
   x = 1,288,013.56