Finding the Fourth Proportional to 11,323.04, 16,986.72 and 3,531.60

Step by Step Solution

1. Step 1: Write the proportion equation
   11,323.04 : 16,986.72 = 3,531.60 : x
2. Step 2: Convert to fraction form
   11,323.04/16,986.72 = 3,531.60/x
3. Step 3: Cross multiply
   11,323.04x = 16,986.72 × 3,531.60
4. Step 4: Simplify right side
   11,323.04x = 59,990,300.35
5. Step 5: Solve for x
   x = 59,990,300.35/11,323.04
6. Step 6: Final answer
   x = 5,298.07