Finding the Fourth Proportional to 7,234.77, 9,983.41 and 4,209.42

Step by Step Solution

1. Step 1: Write the proportion equation
   7,234.77 : 9,983.41 = 4,209.42 : x
2. Step 2: Convert to fraction form
   7,234.77/9,983.41 = 4,209.42/x
3. Step 3: Cross multiply
   7,234.77x = 9,983.41 × 4,209.42
4. Step 4: Simplify right side
   7,234.77x = 42,024,365.72
5. Step 5: Solve for x
   x = 42,024,365.72/7,234.77
6. Step 6: Final answer
   x = 5,808.67