Finding the Fourth Proportional to 7,234.86, 9,982.31 and 4,210.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,234.86 : 9,982.31 = 4,210.49 : x
2. Step 2: Convert to fraction form
   7,234.86/9,982.31 = 4,210.49/x
3. Step 3: Cross multiply
   7,234.86x = 9,982.31 × 4,210.49
4. Step 4: Simplify right side
   7,234.86x = 42,030,345.47
5. Step 5: Solve for x
   x = 42,030,345.47/7,234.86
6. Step 6: Final answer
   x = 5,809.42