Finding the Fourth Proportional to 5,982.83, 8,256.69 and 3,992.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,982.83 : 8,256.69 = 3,992.12 : x
2. Step 2: Convert to fraction form
   5,982.83/8,256.69 = 3,992.12/x
3. Step 3: Cross multiply
   5,982.83x = 8,256.69 × 3,992.12
4. Step 4: Simplify right side
   5,982.83x = 32,961,656.00
5. Step 5: Solve for x
   x = 32,961,656.00/5,982.83
6. Step 6: Final answer
   x = 5,509.38