Finding the Fourth Proportional to 4,209.52, 5,808.86 and 2,321.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,209.52 : 5,808.86 = 2,321.12 : x
2. Step 2: Convert to fraction form
   4,209.52/5,808.86 = 2,321.12/x
3. Step 3: Cross multiply
   4,209.52x = 5,808.86 × 2,321.12
4. Step 4: Simplify right side
   4,209.52x = 13,483,061.12
5. Step 5: Solve for x
   x = 13,483,061.12/4,209.52
6. Step 6: Final answer
   x = 3,202.99