Finding the Fourth Proportional to 11,609.16, 17,405.00 and 5,684.21

Step by Step Solution

1. Step 1: Write the proportion equation
   11,609.16 : 17,405.00 = 5,684.21 : x
2. Step 2: Convert to fraction form
   11,609.16/17,405.00 = 5,684.21/x
3. Step 3: Cross multiply
   11,609.16x = 17,405.00 × 5,684.21
4. Step 4: Simplify right side
   11,609.16x = 98,933,559.60
5. Step 5: Solve for x
   x = 98,933,559.60/11,609.16
6. Step 6: Final answer
   x = 8,522.03